The only thing I know about Bitcoin is that it is a virtual 'money' but what are the other use of it? What are your advantages for having a bitcoin? 
Really? That's the only thing you know about bitcoin? Then how did you earn that rank of yours if you only know about bitcoin is a virtual money? Why don't you use Google to search other uses of bitcoin? We all know that having Bitcoin is a big advantage compared to people who dont know about it, we earn money in BTC.