DogeCoin to BitCoin

Do you have DogeCoins?  Do you have other alt-coins? Litecoins? Zetacoins? Betacoins?   
You can easily convert them into BitCoin (and vice-versa too, if you want!) totally free!
 
Learn how here http://csy.123bit.com
 
Now all your coins are useful no matter how popular :D