In this time most of the currencies are here,so why i use Bitcoin? what you feel the different between Bitcoin and the other currencies?
for me why i use bitcoin ? because bitcoin is first currency that i heard 
I can say it is not
. Bitcoin maybe your first cryptocurrency that you heard but it is not what you claim, because the first one would be your local currency. Anyway, I use bitcoin because I don't have bank account where I can verify my paypal that makes my paypal account unverified. With the love of buying items online, i found bitcoin is one of the way actually fits my situation to buy online stuff even without credit cards or paypal. I don't care much about anonymity because i am not doing illegal trades.