what was the use of PUKE option in facebook?

[Sapan]

[Sayon Dey]

Dear friend it is not PUKE....it is POKE...
When you poke someone, they'll receive a poke alert on their home page. The poke feature can be used for a variety of things on Facebook. For instance, you can poke your friends to say hello.
Again, When you poke someone, they'll see a icon along with your name on their homepage. The person you poke may also receive a notification.
Only the person you poke can see that you've poked them.
Only a confirmed friend, someone that is in a shared network, or a friend of a friend can poke you....