“Bitcoin is not just another commodity, it is something that has the potential to fundamentally change the way we think about money and could ultimately be a huge force for good in the world.”
As the article mentions, the price of Bitcoins to US Dollars may not be 100% accurate because of gaming of this still-nascent currency, but the growth is undeniable and doesn’t look like it’s going to stop.
There are challenges with the current implementation, a quick search will turn up stories of forking the format to provide greater growth opportunities and the disagreement within the community on how or if to do that, but some version of a digital currency, most likely some version of Bitcoin, has quite a bit of growth potential. And here’s a chart that agrees.