Mobile apps are increasingly influential, as they can spread to millions of tablets and smartphones. Here are 15 that will make a difference in 2011
15 apps to watch in 2011
Amazon Cloud Player
TWCable TV app
Adobe Photoshop Express
Bing for iPad
See another slideshow: App-surdity quiz: Are these iPhone/Android apps real or fake?
What's cool: PairShare allows you to share your music with other iPhone users via Bluetooth. You become the DJ, broadcasting music live to your friends.
Keep watching: Although PairShare redefines what it means to share music, it's also testing the limits of copyright law. The RIAA might have a problem with this app if it becomes too popular.
Price: Free demo, $3 for unlimited sharing