Besides .youtube .docs etc. they also applied for .lol
http://googleblog.blogspot.nl/2012/0...ain-space.html
In total various companies have applied for over 1900 different new top level domains, including .gay and many others.
ICANN will have a competition to select the first 500 applicants that will go trough the approval process.
With the amount of new top level domains that might come over the next few years extensions like .xxx will be pretty useless.