Everyone wish for free bitcoins, but in reality you get some very small amounts of coins. Someone will say it's a wast of time, but for beginners, and for people who don't have money to invest its great opportunity for making amount for start.
I also think this is good intro for all new people in btc world to check how is to send and receive coins, how it all works.. With one word to test what you can do with btc and how.