CNET reports that Apple's App Store reached another major landmark, amassing 50 billion app downloads, according to the countdown timer on Apple's Web site and in iTunes. Apple also confirmed the milestone on Twitter saying, “We just hit 50 billion app downloads. Thank you. It couldn't have happened without you.” . Read More

CNET reports that Amazon has purchased Samsung's color e-ink company Liquavista, suggesting that it may plan to provide full color e-ink to its series of Kindle tablets. The financial terms of the deal were not disclosed. . Read More

CNET reports that Spotify has acquired Tunigo, a Swedish company that owns a music discovery app. Tunigo helps people find music by providing playlists selected by its own editorial staff combined with songs from its own users. . Read More

CNET reports that Microsoft has signed a patent deal with Chinese manufacturer ZTE that includes all Android and Chrome devices manufactured by the firm. This latest deal has just come a week after Microsoft struck a similar deal with Foxconn's parent company, Hon Hai. Read More

CNET reports that Twitter Inc. has teamed up with BBC America to provide what the network describes as the first "in-tweet branded video synced to entertainment TV series," according to a tweet. . Read More

CNET reports that Google's privacy director Alma Whitten has decided to step down in June after three years on the job. . Read More

The Huffington Post reports that Spotify, the on-demand music service, may be planning to enter the video streaming market by adding television series and original video content and possibly movies, in an attempt to compete with popular streaming services such as Netflix and Amazon. . Read More