is their any site where we can order some thing for food in against of bitcoin payment. i am interested in buying some foods regularly as i have got some good bitcoins with me.
yes you can buy domino pizza vouchers with bitcoins and use it any time
As has already been stated, feathercoin is neoscrypt which is GPU mineable. The last I looked it was one of the few gpu coins that was actually profitable. I'm not sure what it is like today.
it is profitable only for people with very low power rates.