Joshua picks up signs so quickly now and just loves doing them. He can seriously see a sign once and then will know it from then on. I can't believe I had such a hard time getting him to do his first (11 months) and second (13 months) sign. Unfortunately, he still won't speak any English so I'm no longer actively trying to teach him new signs, although he will sometimes make some up or he'll see them on signing time and start doing them. Here he is signing please. He's gotten very good at begging for things. Look at that face with the sad, if you don't give it to me I don't know what I'll do, eyes.
And here are most of the signs he does at 17 months in the order that he learned them:
hi and bye