Google announced Google Play today. This is Google’s new app/music/video/book store, which is replacing Android Market, Google Music and the Google eBookstore.

Google kicked off a big sale to celebrate the launch, called 7 Days to Play, in which Googl eis offering a different album, book, video rental and Android app at a special price each day for the next week. Google Director of Digital Content Jamie Rosenberg writes on the Google Blog:

In the U.S., today’s titles include the collection of top 40 hits Now That’s What I Call Music 41, the popular game Where’s My Water, the novel Extremely Loud and Incredibly Close and the movie Puncture for just 25 cents each. In addition, you’ll find great collections of hip-hop, rock and country albums for $3.99 all week, detective novels from $2.99, some of our editorial team’s favorite movies from 99 cents, and our favorite apps from 49 cents.

Google’s already sending around an email campaign for the sale:

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More on Google Play:

Google Play Incites Mixed Twitter Reaction