And missing from the twitter accounts...
Unfortunately, "The Woman" (aka Irene Adler) does not have an account. Sgt. Donovan and Anderson both have accounts, however - but not many tweets between them.
Can't get enough of "Sherlock?" Well, someone on the Interwebs couldn't wait either, so they created Twitter accounts for Sherlock and the rest of the gang. WARNING: Some plot spoilers ahead for those who haven't seen Season 2!
Unfortunately, "The Woman" (aka Irene Adler) does not have an account. Sgt. Donovan and Anderson both have accounts, however - but not many tweets between them.