Amazon.com

Apple's iPad tablet falls below the 50% share of monthly tablet traffic for the first time, a mobile ad firm says.

Silicon Valley venture capital firm Kleiner Perkins Caufield & Byers is considering a $100 million fund specializing in cloud services start-ups.

Shares of online retail giant Amazon.com fell nearly 12% Wednesday following release of the company's fourth-quarter earnings which showed heavy spending on fulfillment centers, technology and staff.

Amazon.com's new Kindle Fire tablet is expected to grab nearly 14% of the tablet market in the fourth quarter, second only to Apple's iPad at nearly 66%.

The search giant is unveiling a service aimed at a market heretofore completely untapped -- unless you count Apple's iTunes store and a bunch of other online music services.

An analyst says Apple plans to unveil a budget version of its iPad tablet next year to combat Amazon.com's $199 Kindle Fire.

Strategy Analytics reports that Apple's iPad grabbed 80% of tablet shipments in North America during the second quarter.

With Amazon's new Kindle Cloud Reader, all the cool Kindle features of one-click ordering, picking up books where you stopped reading, and organizing your library are done as a browser application, not an app. Therefore, no more 30 percent vigorish to Apple.

Search giant Google has the top corporate reputation among Americans, according to the 12th Harris Interactive RQ Study.