Sprint has raised its bid to acquire Clearwire to $3.40 per share, but early reports from some investors suggests that the company may have to offer even more money in order to ensure that it obtains complete ownership of the struggling wireless provider.

Photo-hosting and sharing service Flickr today unveiled a brand new design that lets users store and share full resolution photos. Storing large, high-quality photos can quickly eat up the 1 to 5 GB of data typically offered by free photo-sharing services, but Flickr has raised the bar to supply a terabyte of storage.

AT&T doesn't have the best reputation when it comes to "blocking" video calling apps, and the discovery last week that Hangouts requires a Wi-Fi connection on AT&T's network didn't help matters. The carrier today issued a statement explaining the lack of support, and promised to fix it.

Despite initial disappointment that Google Voice was not included in the announcement of Hangouts, Google's unified messaging and video calling application, Google today confirmed that phone calls will be added soon.

The Android f-word, fragmentation, has been a thorn in Google's side since the introduction of Android 2.0 left a generation of devices unable to receive the latest software. Google has yet to solve the problem, but the company says it is taking steps to minimize it.

During last week's Google I/O keynote, Google SVP Vic Gundotra highlighted a number of new photo enhancements made for the Google+ web app. Those features are now available for Android devices, along with new options for locations and related streams.

Android currently has an all-or-nothing approach to permission requests for user data, but Google is open to the idea of letting users maintain more privacy by picking and choosing which requests they will allow.

Sprint today announced that it has purchased Handmark and its subsidiary OneLouder, the company that manages Twitter client Tweetcaster and Reddit app BaconReader. Sprint purchased the companies as a way to improve its advertising and publishing business. Both Handmark and OneLouder will continue to operate under their existing brands and retain its staff, so the company will keep building and maintaining its mobile apps for Android and Apple iOS.

Tumblr, the popular blogging platform and haven of animated GIFs, has been purchased by Yahoo! for $1.1 billion. Yahoo CEO Marissa Mayer today announced the deal in a newly-created Tumblr blog and outlined how the companies will work together.

Many expressed disappointment that Google failed to unveil a new Nexus smartphone at Google I/O, but a white Nexus 4 has appeared at the show. Here's a collection of photos and one video showcasing the new white Nexus.