The Advertising Week Social Club Family Signatures | Advertising Week Blog: "very so often, you’ll see a little signature on a tweet, a post or anything else social that we have going on.
This is just to let you know who is responsible (so far), where they are from and where you might see their signature.
^a1: Adam Rotmil (Ehime, Japan): Twitter
^am: Amanda Montgomery (Dallas, TX): Twitter, Facebook"
'via Blog this'