We’ve discussed this here and this link is to the Starbucks Gossip blog (if you ever want to know more about Starbucks). A more ominous possibility is mooted by The Onion here (hat tip to Starbucks Gossip).
My experience has been mixed so far… Day One (Wednesday) was so-so, though I’d never seen this dude before. Day Two (Thursday) the barista suggested something new (something called the “French Toast”), engaged in a bit of repartee, etc. Much better.