Apple launches iPhone trade-in program; Microsoft's Surface Pro now $799

Quick news from around the Web.

@FierceWireless: RT@phonescoop: Apple to Accept iPhone Trade-Ins at Stores: Article[email protected]

> A BlackBerry webpage hints at the imminent release of BBM for iPhone and Android. Article

> Sony Entertainment Network and the PlayStation Store added carrier billing for AT&T Mobility and T-Mobile US. Article

> ZTE is expanding its U.S. lobbying efforts. Article

> The official, permanent price of the Microsoft Surface Pro is now $799. Article

> Chinese smartphone company Xiaomi expects to sell 15 million devices this year and is reportedly worth $10 billion. Article

> Billionaire investor Carl Icahn increased his ownership of speech-recognition company Nuance. Article

Mobile Content News

> Visa Global Head of Mobile Product Bill Gajda has been dismissed as part of an executive shakeup spearheaded by first-year CEO Charles Scharf, NFC Times reports. Article

> Microsoft is competing with American Express and other potential suitors to purchase an equity stake in mobile social network foursquare, Bloomberg reports. Article

> Upstart streaming TV service Aereo will launch a native application optimized for Google's Android sometime in September, CEO Chet Kanojia told International Business Times. Article

> Revenues generated by mobile applications running Google's Android operating system are on pace to reach almost $6.8 billion by the end of 2013, nearly doubling from the previous year, market intelligence firm ABI Research forecasts. Article

And finally… More than three months after Apple banned controversial hookup service Bang with Friends from its App Store, the application has returned in less risqué form under the name Down. Article