Avi sees funny stuff all day while surfing around the Internet. He gets emails telling him to read, forward and post funny quotes or videos. They are from various sites (Digg, Reddit, StumbleUpon, Bash, Google etc.), and you may already seen them, but it's good to have it all in one place, right?

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One of my favorite classroom tricks is to auction off a $20 bill. I explain in advance that the $20 goes to the top bidder, but the top two bidders have to pay whtatever they bid. That way, if at least two students bid at least $10, I come out ahead.