AT&T has officiallyannouncedthat it will begin throttling the data speeds of subscribers in the top 5% of usage, reports9to5Mac. The throttling will begin on October 1st. AT&T said that it will begin intentionally slowing down the transfer rates of the subscribers using the most data on its network. The company blames the need on a ‘serious wireless spectrum crunch’ that the country is facing. The first step, outside of expanding its infrastructure, is to reduce the speed of a ‘very small minority of smartphone customers’ who are on unlimited plans....

Now that the iPhone is finally available on three major carriers in the US anyone stateside who has not made a purchase yet is likely to be wondering which way to go. There are a lot of factors to consider like cost and plan offerings, but the universal constant is that people like speed. The iPhone is a great device, but how fast your network delivers information to you is a big limiting factor in how quick the devices will feel....

Verizon, T-Mobile and AT&T are joining forces to compete in the mobile payments space, pitting them against rivals like Google,reports Bloomberg. They plan to invest more than $100 million in a joint venture that will allow users to pay for items with a mobile phone. The venture is calledIsisand will focus on gathering partners including banks and merchants, which will be the key to allowing it to compete against other companies already in the space....

The day before Microsoft is set to announce its plans for its Windows desktop and mobile platforms, US operator AT&T has detailed its new Windows Phone portfolio, announcing it will carry the HTC Titan, Samsung Focus S and Samsung Focus Flash. All of AT&T’s Windows Phone devices will be powered by Microsoft’s new Windows Phone 7.5 updated (codenamed Mango) and it has committed to upgrading each of its existing Windows Phone handsets to the update in the Fall....

Soulja Boy made a stunning announcement to his legions of adoring fans on Wednesday. “I am now the owner of Atari,” the rapper revealed on Instagram. He also disclosed that the company was set to buy his owngamingbusiness for a cool $140 million. TheCrank Datsongwriter said Atari was “real proud” of his work with theSouljaGame consoles: I just signed two deals with Atari. I’m the owner. The first rapper to ever own a video game company....