1 An Ikea entertainment center
2 Programming the TIVO (if you're older than 6)
3 The British obsession with cricket
4 The appeal of Justin Bieber
5 Changing privacy settings on Facebook
6 Wrapping your head around tomato plants growing upside-down
8 Is it white shoes before or after Memorial Day?
9 Aerosol cheese
10 How a show about smoke monsters, time warps, shadowy corporate entities and a plane crash managed to find an audience.