The Verge reports that Apple has included Samsung's new Galaxy S4 in a list of 22 products that it thinks infringes iOS user interface patents, in preparation for its second patent trial against Samsung set for spring of next year. . Read More

The Wall Street Journal reports that the Pentagon has accused the Chinese government of targeting the U.S. government computer systems for attack in a new report. . Read More

Mashable reports that YouTube is set to introduce a paid subscription model for certain specialist video channels as soon as this week, according to a report. The service will comprise close to 50 YouTube channels, and subscriptions to each channel will begin at as low as $1.99 per month. . Read More

Reuters reports that Pentagon has cleared BlackBerry and Samsung mobile devices to be used on Defense Department networks. The Pentagon is expected to clear Apple devices at some point in early May. . Read More

VentureBeat reports that Yahoo Inc. is launching a new advertising format called Yahoo! Stream Ads, which will run together with content on Yahoo’s news feed. . Read More

Wired reports that Twitter has been working on a two-step security solution to minimize the threat of Twitter user's accounts being hacked. The Associated Press, BBC and 60 Minutes are among the accounts that have been hacked recently. . Read More

Bloomberg reports that Twitter Inc. is near to reaching partnerships with television networks that would allow them to display high-quality video content and advertising on the social site, according to people familiar with the matter. Read More