In October, she launched an ambitious text-messaging system, which immediately drew fire from the Democratic National Committee, to blast mobile updates to supporters.

CNN: Where is Michele Bachmann headed?

Groupon, Twitter, Foursquare, all have been releasing mobile app updates on a regular basis to keep current with the growing user base.

FORBES: Connect

But what's most important is how nimble Samsung has become at improving its mobile devices through software updates.

CNN: How Samsung is out-innovating Apple