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?
Platform: iOS, Android (coming soon)
What's cool: Color allows you to create public photo albums, grouping pictures taken by people in close proximity to one another at a certain time. You can shoot video, too, and save your photos and your friends' images in a visual diary.
Keep watching: Early adopters are going crazy over Color, but the total lack of privacy settings in the app could diminish the enthusiasm.