Sprint's Epic 4G sets sales records; Facebook, Apple bicker over Ping

Quick news from around the Web

@FierceWireless: RT @JohnPaczkowski: #Apple Building 2 Million iPads Per Month, But Shooting for 3 Million. Article $AAPL | Follow @FierceWireless

> Sprint Nextel's Samsung Epic 4G went on sale Tuesday, and according to Sprint the gadget "became one of Sprint's best-selling devices for first-day sales." Release

> Net1 said it launched a mobile payments effort with an unnamed, top-five U.S. wireless carrier. Release

> Alcatel-Lucent completed LTE tests over spectrum for public safety. Article

> Standard & Poor's may upgrade Motorola. Article

Mobile Content News

> Mobile users are flocking to Twitter at record rates. Article

> Google is hoping to debut an Internet-based digital music service that would launch later this year. Article

> Research firm Analysys Mason estimates mobile operators could lose up to $27 billion in annual voice, SMS and data revenue because of customers that decide to switch operators over their mobile content offerings. Article

> U.S. Cellular will use Loopt's location platform to provide LBS services to its customers. Article

> Mobile is playing a key role in Google's renewal of its deal with AOL. Article

> Apple and Facebook could not come to an agreement about connecting Facebook's service with Apple's new Ping social networking program. Article

> Hewlett-Packard's Palm temporarily suspended new webOS developer approvals due to a virtual keyboard leak. Article

> Apple's iOS platform is now the third most popular Internet platform, behind Mac and Windows. Article

> The Mobile Marketing Association announced a repositioning that the group said will help it "get brands and agencies to increase spend on a channel they're now aware of." Article

European Wireless News

> The Wall Street Journal reported that additional carriers will begin selling the iPhone in Germany, bringing an end to Deutsche Telekom's exclusive hold on the gadget. Article (sub. req.)

> Vodafone Germany announced LTE tiered data pricing. Article

And finally... Painting a building with your smartphone? Article

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