For those that still want to earn some bitcoins and have no machine to mine...or even afford to buy some device in order to do it .. 
This is the best way :
http://www.eobot.com/new.aspx?referid=17847 
Easy way to mining Bitcoin,Litecoin, PPCoin, Namecoin, Feathercoin, Dogecoin Primecoin.. Just leave your computer earn $$ for you!
http://www.eobot.com/new.aspx?referid=17847
First withdraw successful done:
2/14/2014 6:19:22 PM farpa@hotmail.co.uk withdrew 0.02376187 to 15UvoigZ6oWDVPhCBGRGnzNCt2kR6F6BQc
Can check the hash!! :)