haha, enjoy your new Sock and puppet:). Sockpuppet was one of ne

Sockpuppet was one of new entries adopted in 2009 by Merriam-Webster’s Collegiate.
knowing the newly adopted entries can help us understand current affairs around the always changing world.

some other new words i feel very interesting and i knew them before are:
Vlog 影像网络日志
Webisode 网络视频短片
Flash mob 快闪族
Staycation 宅度假
Waterboarding 水刑

I'm prety sure you've known them all.