Now don't kick yourself but if you had bought $100 worth of BTC 7 years ago you would have about 75 million dollars now.
If you bought $100 of bitcoin 7 years ago, you'd be sitting on $75 million now
http://www.cnbc.com/2017/05/22/bitcoin-price-hits-fresh-record-high-above-2100.html
I kick myself that I have been ignorant to crypto currencies for as long as I have.... but also that i wasn't brave enough to invest earlier!!!