In-tandem with the PlayStation 4's new DualShock 4 controller and its "Share" button, users will be able to quickly upload saved gameplay video clips or directly stream their game out to the internet.

ENGADGET

We think this means that when people upload photos and video to Twitter, you will see the media in your Twitter stream.

FORBES: Twitter To Look More Like Facebook's News Feed

Though its aim is to be a commercial service, at the moment there is no limit to how much of your collection you can upload and then stream - for absolutely nothing.

BBC: MediaMaster

Meanwhile Qik can make calls between EVO 4Gs, but also stream video live to the web (while the iPhone needs to record and then upload to get "social" using its official apps).

ENGADGET: iPhone 4 vs. EVO 4G... fight!

If you like to post or live-stream audio or video from your phone to the Internet, you probably care about upload speeds -- which means you might want to avoid Sprint, unless it offers a WiMAX network in your city.

CNN: Report: Verizon offers nation's fastest 4G service