Backup before updating to mountain lion
It had features reminiscent of Facebook, including profiles and the ability to follow other users.
The Telegraph reported in November 2011 that Apple had been aware of a security vulnerability since 2008 that would let unauthorized third parties install "updates" to users' i Tunes software.
However, the following month, i Tunes 12.6.3 was also released, retaining the App Store, with 9to5Mac noting that the secondary release was positioned by Apple as "necessary for some businesses performing internal app deployments".
i Tunes has received significant criticism for a bloated user experience, with Apple adopting an all-encompassing feature-set in i Tunes rather than sticking to its original music-based purpose.