Last.fm announced Friday that it has launched a mobile version of its social radio platform for Google Android-based phones. The Last.fm app, which is already available for the iPhone and iPod Touch, allows users to listen to the company's streaming radio stations and plays in the background while users perform other functions on the device. Last.fm's Android app is free and available now in the Android Market.
URL shortening service, Bit.ly, announced Thursday that it has updated its Twitter plug-in for Firefox. The update now provides users with the context of a Twitter conversation when they hover their mouse over the "in reply to" link in Twitter. The update is available now for Firefox users.
Tripwolf, a travel guide site that combines professional material and user submissions, announced that it has closed a $2.5 million funding round led by the MairDumont Group. According to the company's executives, they plan to use the funding to launch an iPhone app and expand their operation abroad.
Vudu, a company that provides streaming movies through its set-top box, has launched an iPhone app that will allow its users to browse and search the company's catalog of titles, as well as purchase and rent those movies for viewing on their Vudu box at home. The app is free and available now in the iTunes App Store.
Dogpile has raised $250,000 in just two months for pets in need, the metasearch engine announced Friday. Its goal is to raise $1 million by the end of 2009. Dogpile raises the money each time a user conducts a search. The more searches conducted on the site, the more Dogpile can contribute to the American Society for the Prevention of Cruelty to Animals (ASPCA), as well as other animal-related charities. The Dogpile "Search and Rescue" program will continue through the end of 2009.
Disclosure: Last.fm is a part of CBS Interactive, which also publishes CNET News.