There's some kind of anime convention in Toronto right now. The streets aren't safe.

Dammit, @steve_leinwand. We TALKED about this Cro-Magnon-ism! http://bit.ly/f4t1L2 #nctm12

A similar item from Singapore. /by @steve_leinwand #nctm12

Grade 3 assessment from Mass. Tell me this isn't a worthwhile task. Constructed response. No multiple choice. #nctm12

FlashMaster. Not a product I understand. #nctm12 #vendorfloor

Also a must-see (for a different reason): the calculator museum! #nctm12

Shooting time lapse of a leaky faucet filling a sink. Just one more mile marker on my long road to self-parody.

Behind the scenes at the #3acts factory. /cc @mctownsley

Santa Cruz day trip. Neither one of us can figure out why we ever left.

I am useless in the kitchen except for one dish and that dish is crepes, which I dominate. /cc @scpeters

So the math rappers are here. #cmcn11

Tried to tweet from this high-tech doohickey they passed out at this session. Got an error. #cmcn11

They're passing out some kind of gadget in this session. Can anybody tell me how to open the web browser? #cmcn11

My children will have no idea what this thing is, whiiiiiiiiiiiiiich means I get to make something up.

Melting 20 ice cubes in room temperature water for an #anyqs. Over / under is one hour. Who wants that action?

@sarcasymptote @samjshah I THOUGHT WE HAD PLANS TO SEE DRIVE TOGETHER SO I FLEW OVER!

Too easy. #wcydwt