Tunes - Tuneflow

Foursquare users have put a lot of energy into leaving tips and raves about locations on the geo-aware social app, but that doesn't help if you're not a member. FourWhere publicizes and organizes Foursquare's venues, "yelps" and tips/reviews for everybody's benefit.

Google actually began incorporating geo-tagged photos into Street View last year, but they've now added a new photo-viewing interface for users moving through a Street View tour of well-captured areas. That allows you to peek at places that weren't accessible by Google's camera-topped cars, and also provides more angles on any area you're looking at.

iPhone: We've always been big fans of previously mentioned PadMapper, the Google Maps mashup that puts Craigslist apartment listings on a map with advanced filtering options. Now the same awesome tool exists for your apartment hunting on-the-go.

Android: Google's globetrotting 3D mapping application Google Earth has been around for iPhone users for over a year, and today the killer mapping app makes its way to Android devices.

Virtually every Google service has a Labs section devoted to implementing experimental features. There's Gmail Labs, Google (Search) Labs, Google Calendar Labs, and now, Google Maps Labs.So what can you expect from Google Maps Labs?

We've always liked Weather Underground for its no-nonsense, real-time weather info. Today they've released a new service called Full Screen Weather that mashes up Google Maps with weather data for nothing but maps and up-to-the-minute weather info.
(Click the image above for a closer look.)

To save time and gas money while running errands or long trips, it makes sense to map out the best route so you can hit all the places you need to go without doubling back. Have Route4Me do the planning for you.

In the age of email, it's not often we send mail through the regular postal service. Next time you're mailing a letter the old-fashioned way, do it up right with Google Maps and a color printer.The idea got its start thanks to a clever idea from graphic designer Beste Miray. She came up with the idea of making a mailing envelope that, when opened, shows the geographical location of where the letter came from.

Google today announced a new service, Google Buzz, that automatically brings social networking into Gmail and the rest of the Google-sphere. Whether or not you're big on social networking sites like Twitter or Facebook, Buzz offers a somewhat new and intriguing approach.

Sometimes the most interesting stuff in an unfamiliar city is hiding in plain sight. With the right location-aware and map-friendly web tools, you can find the best cheap eats, picture-worthy sights, and much more. Start with this list of in-the-know apps.Photo by epicharmus.