I made the huge mistake of not investing more when I first heard about it back in 2011... back then, investing a month of rent could have now made me rich forever.

Bitcoin has some serious problems to overcome as a real consumer currency, but it seems clear that some crypto-currency will eventually become ubiquitous.

As far as the speculation game, Bitcoin is just barely starting to reach consumer investors. Whether it's a bubble or not, I'm not sure, but it has a long way to go.