Does this Yahoo questions and answers profitable to us, why?

Profitable can be different for each member ie. age, male or female.

Learning while looking up information and resources to answer a question if we need to.

Asking questions and receiving many great answers to ponder over.

Receiving a BA answer by the Asker and knowing you were very helpful to them.

Being helpful in general.

Gaining insight on whats going on in the world.

Having endless amounts of categories to chose and learn from.

Reading others answers to a question is really interesting and fun to do.

It's profitable because it is fun!

I find it profitable because I like being helpful. Answering someone's question is a way of doing that.