As a company that for a long time declined to participate in social media, Apple began to conquer Twitter, to promote the new content of the iTunes store.
According to 
TechCrunch , Apple recently registered several Twitter accounts to advertise music, movies, TV series and podcasts in iTunes. The Cupertino-based company started the first account, 
iTunesTrailer , back in March, which now has about 1.2 million subscribers.
New 
iTunesMusic , 
iTunesMovies , 
iTunesTV and 
iTunesPodcasts accounts contain just a few posts and have thousands of subscribers.

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Apple also did cross-PR in its accounts using a background that advertises iTunes-related accounts. Visitors are also asked to support the project on the 
iTunes fan page on Facebook.
Earlier this year, it was already rumored that Apple might be interested in 
acquiring Twitter . However, rumors still do not cease to be rumors.
Source: 
http://snupt.com