In March, the Canon CameraWindow application is expected to be available on the Apple App Store for the iPad, iPhone and iPod Touch to further enhance the connectivity options.

ENGADGET: blogger-avatar

ConnecTV is available as a free download for the iPad from the Apple App Store, or for any PC browser at www.connectv.com.

ENGADGET: ConnecTV officially launches, gives you more ways to bug your buddies

The YouTube app is free and you can download it from the Apple App Store for the iPhone, iPad and iPod touch.

FORBES: iOS App for the Weekend - YouTube

Dropcam for iPad is free in the Apple App Store and supports iPad 2, the new iPad with Retina display and iPad mini.

ENGADGET: Dropcam's iOS app goes big, now optimized for iPad

There are the new super-interactive iPad 2s for the Apple Store, for example.

FORBES: Apple (Finally) Jumps on the Point-of-Sale Bandwagon

The Apple App Store has more than 250, 000 apps for the iPhone, iPad and iPod -- more than any competitor.

CNN: Apple trademarks 'There's an app for that'

In early January, CloudOn launched on iOS and quickly became the no. 1 Free App and the no. 1 Productivity App for iPad in the U.S. Apple App Store.

ENGADGET: CloudOn launching its iOS, Android tablet apps in 16 more countries, Office hounds rejoice

Every time an iPad owner opens the App Store for the first time, Apple suggests downloading iBooks.

FORBES: Apple On The Cusp Of Crushing Amazon Kindle Platform

For now, Sterling supports the iPhone and iPad through a set of applications delivered through the Apple App Store, and WebSphere offers iPhone, iPad and BlackBerry support through a mobile browser.

FORBES

According to CNET, at least one Apple store (the Stockton Street branch in San Francisco) is offering a free upgrade to a fourth-gen iPad for those that picked up the 9.7-inch tablet in the last month.

ENGADGET: Some Apple stores offering exchanges on iPads purchased in the last 30 days