in canada, the winter olympics, best setup for a snowball fight. if there were snow. >> i love the winter olympics although it's so much better when they have winter during it. >> i missed the winter olympics. was that in the winter? >> the united states won the most medals, canada, the mostly gold. >> i don't follow sports. nope. i can't even pretend. i could say yeah, did you see the game? but i don't really know what the game is. >> reporter: worst interference? the vuvuzela horns at the world cup. >> the ipad is changing the way that we smear glass. >> it's just fantastic. >> and apps, i'm app crazy. >> teach me how. >> reporter: best online dance sensation, the doug gi.