Five Cool Services Unveiled at TechCrunch Disrupt 2011

The TechCrunch Disrupt 2011 conference, held this week in San Francisco, is known as a gathering where high-tech start-ups can strut their stuff.

Some of the show's spotlight was stolen at the opening by the sensational announcement by its founder, Michael Arrington, that he was with TechCrunch and its owner, AOL. However, the start-ups regained the spotlight once they began touting their wares.

Here are five promising and nifty offerings from the popular conference.

All you can eat cloud storage for $10 a month? It sounds too good to be true, but the folks at this start-up say they can do it. The secret to their claim? No duplication of files. Bitcasa expects much of what's stored on its servers to be duplicate data. Rather than store copies of the same data, they'll store just one copy--say, of a popular movie--and share it with all who want it. As cloud storage services go, Bitcasa also departs from the standard model by storing all files to the cloud as they're created or altered. The cloud becomes your hard drive, and your hard drive is just a place to cache files for the cloud. The company says its cache is "intelligent." That means key files are stored there so you can continue to work when you're disconnected from the cloud.

Sharing with Bitcasa is a breeze. You can right-click on a file and obtain an URL. That URL can be sent to whomever you to want share the file with. When your user clicks on the URL, the file is downloaded to their device. Another nice feature is real-time video transcoding, which lets you stream video to any device from the .