Mark Zuckerburg is really a hardworking guy and I am not here to speak bad about facebook
I believe its a great platform to connect old friends, Even I met some old people on facebook and I am thnkful to mark because without him it wouldnt be possible.
I used facebook 6 years and from last 1 year I am not on facebook anymore.
Pros:
Easily Find Friends
Lost Love/Crush
Great for Advertising your Skill or Product
Fan Pages are good for Individual Bodies
Cons:
Addictive
Very Addictive