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Windows Phone Marketplace hits 30,000 apps

Though it still has nothing on the Apple or Google mobile app stores, Microsoft’s Windows Phone Marketplace now has more than 30,000 applications available for the Windows Phone 7 platform, according to Windows Phone App List.

Apple’s App Store surpasses the 500,000 mark

Apple’s App Store, the store in which iPod, iPhone, and iPad users buy and download applications, has surpassed 500,000 approved applications according to a combined estimate by Chomp, 148apps, and Chillingo.

nSphere snags deals application Peekaboo Mobile

nSphere, a company that aggregates online content, has bought mobile location-based deals company Peekaboo Mobile, it announced today. The company plans on leveraging Peekaboo Mobile’s application to provide local search information to its users.

TweetUp + PostUp + Echofon + UberTwitter = UberMedia

Earlier today PostUp, a service that claims to aggregates the “world’s best tweeters” announced that it has acquired Twitter iPhone and Blackberry client UberTwitter. In that same announcement, the company changed its name to UberMedia, the company’s third name, as it originally called itself TweetUp.

FitnessKeeper scoops up $1.1M to build out fitness app

Startup FitnessKeeper, the parent company of the RunKeeper smartphone app, has raised $1.11 million and will use the money to build out its nine-person operation and dive into the highly competitive world of now-fashionable mobile fitness applications.

Location Labs gets info on 15 million local businesses from CityGrid Media

Location Labs, a company that helps developers create location-based mobile applications, today announced a partnership with CityGrid Media, a subsidiary of Web giant  IAC and supplier of local content and advertising to other sites. The partnership will give Location Labs access to information on more than 15 million local businesses.

Offerpop launches community marketing apps for Twitter and Facebook

Offerpop, a software development company for social media applications, has launched a new marketing app that lets retailers and brands bolster their Twitter and Facebook profiles for maximum impact. Only the Twitter application is currently available to the public, but the company is accepting beta testers for its Facebook version.