The popularity of Bitcoin is on the rise. To many, the rising value of Bitcoins means that they are a great alternative investment.Bitcoins is a relatively new currency.The Banking on Bitcoin documentary explains the fundamentals of Bitcoin, where and by whom it was founded and why the creators identity still remains a mystery. It also gives some insight into the usefulness of using this cryptocurrency, considering such transactions have no fees or very low fees, and fewer risks in terms of being used online. 
Its true that Bitcoin is spreading worldwide. If the value of Bitcoin continue to rise more I will probably invest more.
People took advantage of Bitcoin due to its low cost charge and most of the time no additional charges. It is fast transaction unlike credit card that take so long to process.