Take That Band Twitter - @takethat
Robbie Williams - @robbiewilliams
there is 56679 members
In July 2011 Facebook-750 Million members Twitter-100 Million members
Twitter reached 200 million members in March 2011.
Most likely none.
Approximately 200 million.
There is an official band Twitter: @parachuteband
There's an official band Twitter: @slipknot
Yes, all of the cast members have Twitter. Their Twitter profiles are listed below in the related links section.
No.
with Twitter
Twitter's copyright policies are spelled out in their terms of service (link below), but can be summed up as "you own your own content."
They have a facebook page and currently Taeyung is the only member with Twitter.