Hey Tom...Poke who, Poke what?

Mashable has posted the 10 most interesting Facebook facts online today. One thing Ive never clearly understood on Facebook was the Poke feature. What is this and why is there and why did you poke me??? It's just weird! You "poke" someone to be annoying, is this the purpose behind for on FB?

This was a good point brought up on Mashable no. 5 Facebook facts. The Meaning of the term poke has never been clearly defined.

Here is a look at the Top 10 Fascinating Facebook Facts.

Enjoy!