How post someone’s Profile picture in Facebook chat?

This nice trick, through which you may impress someone and it's also not much tough

to do this just type ‘[[username]]’ in messenger during chat. This kind of fantastic key, by means of which you can enlighten somebody and it is not much hard,

you can actually find the particular username of any person by just going on to their profile and then look on the url box,or find this

http://facebook.com/abcdef

Note: the last few words will be username.(abcdef)

CopY Code : Example http://facebook.com/nickcool007

[[nickcool007]]