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Kayak has introduced a monthly calendar that lists the starting rates for hotels by the day of the month. Working along the same lines as its Buzz flight calendar, the hotel chart lets you see the best available price based on data pulled from sites like Expedia, Orbitz, Travelocity, Priceline, Hotels.com, and the hotels' own websites. Although the flight calendar lists the starting rate on any airline, the hotel calendar only displays the prices for one property at a time. The idea is that people tend to care a fair amount about which hotel they stay in, but when they're looking for a flight, the cheapest one is usually the one they're going to go with.Kayak has also tweaked other parts of its website. A Toolbox section on the upper left now lets you share results with others. A small heart icon next to each result lets you tag them as favorites, making them extra prominent for recipients. The e-mailed link stays live for just 30 minutes, though Kayak's spokeswoman tells me that time limit may be extended. The collaboration tool is helpful when you're trying to coordinate flight schedules with friends, for instance. In my meeting with Kayak last week, I also learned that the site plans to roll out an instant-messaging function, so you will soon be able to share your search results over IM as well.

The latest iPhoto software from Apple, iLife '09, allows you to organize your digital photos by faces and places. After you load up your photos, use a "Faces corkboard" (shown at the right) to automatically categorize your friends and family members. Then tag a photo of a person by typing in their name. Apple's face-recognition software will scan the rest of your pictures to find faces that match the mugs of the person you identified, tagging those other photos with the person's name, too. While the technology isn't new—Google, for instance, introduced it to its Web-based photo organizing service Picasa service last September—it is convenient if you already have photos stored on Apple computers. The technology isn't perfect. During my recent one-on-one tutorial at an Apple showroom, I saw the computer failed to correctly identify photos of two nearly-identical siblings. (Less extreme examples also pose problems for the software, such as when a person isn't facing the camera in a photo.) But I learned how mistakes can be manually corrected pretty quickly. I also found that you can speed up your photo tagging by highlighting entire rows of photos at a time and approving all of the tags at once. The most impressive feature, at least to me, is a handy one-click button that not only automatically logs you into Facebook or Flickr but also directly uploads your images to those sites—and preserves all of the tagged information so you don't have to waste time duplicating your efforts. If a Facebook friend tags one of your photos, the new name is synced to iPhoto. Genius! To post a picture to myBudgetTravel or other photo-sharing site (like Shutterfly), drag it to your desktop and upload it from there. The new iPhoto software also organizes your snapshots by places, letting you type in geographical keywords, such as Hawaii, to help simplify your searches. If you have an iPhone or a newer digital camera like the Nikon Coolpix P6000 that automatically records GPS data for you, the program can also map your photos based on location. The "geotags," or the latitudinal and longitudinal coordinates of where the photo was taken, are saved on a Google world map. Just clicking on the map can bring up all the photos that were taken in that spot. The 2009 edition of iLife (which includes the updated iPhoto software) is in stores and comes with every new Mac computer. Upgrade packs cost $79.

This recession may be Priceline's finest moment because of the especially deep savings it is offering on hotel rooms and hotel/resort packages booked through its "name-your-own-price" feature. Here's why: American hotel owners have struggled since the 2001 recession to boost their room rates back up to the profitable levels of the 1990s. Today, they're reluctant to cut their advertised rates. Many hotels are turning to Priceline to deeply discount their rates up to half off and fill their empty beds—without starting a price war. No wonder that Priceline is probably the largest seller of hotels in the U.S. today. (I can't say for sure that it's the largest because Travelocity is a private company and doesn’t publicize its numbers, though I'm skeptical that Travelocity is number one.) Priceline has changed a lot in the past couple of years. If you haven't used the site lately, you may have missed some of its recent innovations. Did you know, for instance, that Priceline lets you "blind book" air/resort packages? You don't have to place a bid because Priceline tells you the total price of a package plus the name of the resort. The twist is that Priceline doesn't tell you the name of the airline or the departure time for the plane tickets automatically packaged with the deal. You will, however, be told the number of layovers and the airports you'll be stopping at, plus the window for flight departures (between 6 a.m. to 10 p.m.). If the flight doesn't work, you can choose from other available flight options. The package will usually cost less than the price of the flight and hotel room booked separately. Savings can total 50 percent. Interested in just booking a hotel? Here are some up-to-date strategies for making the most of Priceline: Hotels While Priceline is a full-fledged booking engine, it's most valuable for its bidding system. As you may know, you don't learn the hotel (or airline, car-rental company, or vacation package details) until your bid has been accepted and your credit card has been charged. You'll find out whether your bid has been accepted instantly. (In the past, it took quite a while to hear back.) Our advice: Research neighborhoods in advance, and consider choosing neighborhoods in financial districts. Right now, Priceline's best deals appear to be for business and upscale hotels. Beware of this catch: Despite denials from Priceline, it seems all-too-common that hotel managers give Priceline users their least desirable rooms, next to noisy elevators, restaurants, and ice-making machines. We've heard the most reports of this treatment happening at two-star hotels and below. So bid on three- and four-star hotels, and even if you get a room that's slightly less desirable than what a hotel gives its repeat customers, you'll still be in great digs in a great location at a great rate. But expect your window view to be of something like rooftop air-conditioning units instead of something pretty. The other major catch: Once you "name your own price," you can't make any cancellations or other changes. To help judge how much you should bid, visit Priceline's Hotels page and look for a section on the right called Winning Bids. Click on it to see recent winning bids for specific star level hotels in various cities around the country. You would have to look at this section before you make your bid because it's not embedded in the booking process. For an independent perspective, turn to BiddingForTravel.com for examples of recent successful bids. For hotels in Europe, Priceline's star level criteria is slightly different than for U.S. hotels. However, company spokesperson Brian Ek says that, "by clicking on the specific star level during the bid process, we will provide a list of amenities that the property will have along with a description of what that star level will be like. So, in terms of quality, you’ll have a good idea of what you’re going to get before bidding." Priceline has a broader selection of hotels in Europe than you might imagine. That's partly because of the relationships it has built up as owner of Booking.com, Europe's largest online seller of hotel rooms. More helpful tips Priceline has an informal "rewards" program, in which repeat customers occasionally receive surprise rewards. For example, if you use Priceline at least once, you may receive an e-mail with a $25 coupon good for your next hotel purchase. The reward would typically be for a Priceline product you haven’t tried yet. If you bought a plane ticket, your coupon might be for a future hotel purchase. But there are no set rules about when Priceline hands out rewards, so you may book several times in a row without receiving any perk. Sigh. Priceline also asks every one of its hotel customers to fill out a review of their hotel. The site has more than a half-million reviews of U.S. hotels now. Priceline only posts reviews by people who have actually paid to stay at hotels, eliminating fake reviews by hotel owners. A spokesperson says that if a hotel gets multiple negative reviews, the property is automatically evaluated to decide if Priceline should stop selling its rooms. Airfares No one I know has recently used Priceline to bid on airfares, given the sales that airlines are throwing on their own websites. But airlines have cut back their service to smaller cities, and fares have skyrocketed on these routes. For these unfortunate markets, especially when it comes to last-minute (less than 14 days before departure), Priceline may offer enough savings to be worth its additional hassle. And you'll get an instantaneous response to your bid. No more waiting, although Priceline may first make a counter-offer in some cases. Given that Priceline now responds instantly to your bid, it makes sense that—before you buy a high-priced, last-minute ticket directly from an airline—you should make at least one quick bid on Priceline, starting at about 20 percent lower than the fare you know for sure you can get. For some travelers, saving 20 percent or more off an expensive ticket may be worth the uncertainty of knowing when your flight will depart. One key point to understand is that Priceline does not offer "interline flights" for a flight you bid on. In other words, the site only sells tickets for flights on a single airline, not a mix of airlines. By going to a site such as Kayak instead, you may find cheaper fares for tickets that use more than one airline to cover a route. (CLARIFICATION March 2: Since publication of this post, Priceline's spokesman Brian Ek has reminded us of the following: Kayak’s two interline search partners are Orbitz and CheapTickets. Both charge $7 to $15 booking fees per ticket. Priceline offers interline ticketing as part of our published-price airline ticketing service. The difference is, Priceline doesn't charge booking fees for its published price tickets. It charges a fee for its Name Your Own Price tickets but doesn't disclose what that fee is.) For flights you bid on, Priceline does not guarantee a non-stop flight, but it does promise a maximum of one-stop each way. All layovers capped at 3 hours. Flights may depart anywhere between 6 a.m. and 10 p.m., however, the site guarantees that your trip will end no later than 12:30 a.m. the following morning. Says spokesperson Ek, "You can instruct us to broaden our search and theoretically increase your chances of getting a ticket by adding a redeye option that could get you to your destination by the following morning. But the default is no redeyes." Group bookings If you're planning a reunion of family or friends, you may want to use Priceline's reverse bidding service. It's free. For hotel bookings, fill out a request for specific locations and dates and type of event, and Priceline acts as a manager of a reverse bid process in which hotel managers from several properties compete for your group business. In other words, Priceline shares the details on the type of group booking you want with hotel managers who come back to you with their best offers. You choose which one you want (or none if they don’t work for you). The service is free. In case you missed it, Priceline recently launched its Ekspert blog, penned by its longtime spokesman Brian Ek, who is not to be confused with Priceline's other spokesman, William Shatner. (Where's Shatner's blog, anyway?) [ekspert.priceline.com] EARLIER Is Hotwire a safe bet for European hotel bargains?

We've told you about the under-$600 laptops that are now on the market. They can be great PCs to take on the road. In the past couple of weeks, HP introduced a new laptop that is pricier (at about $1,100, including a two-year warranty) but has a lot more pre-installed features (such as all of the key Microsoft software, which is often not included on other budget-minded PCs). It's only for sale at Best Buy and it's part of that chain's Blue Label series of PCs. Best Buy surveys its customers about what they're looking for in tech gear, and then the company asks manufacturers to build products addressing customer needs. One of the first Blue Label Series products is a laptop. Best Buy spokespeople say that their surveys found that the "ideal laptop" had "longer battery life, a thin and lightweight design, a backlit keyboard, and more optimal screen size." HP and Toshiba took up the challenge. It's built a laptop that offers 4 hours of battery life on a single charge (according to the company), weighs less than 5 pounds, that's less than 1.5 inches thick, and has an illuminated keyboard. It's got the unromantic name of the HP Pavilion dv3510nr notebook. I'm not a tech guru, but it caught my eye when I was at one of the season's many tech product fairs. It has a 13.3-inch diagonal widescreen display that showed movie in high-def quality when I saw a test model. The laptop is sold with and come with a two-year warranty for free. In case you're looking for a new laptop, you'll find it for $1,099 at bestbuy.com. EARLIER ON THE BLOG Gear: Laptop bags that will pass the TSA test