Well, People were almost too sure that bitcoin was going to be revolutionary in 2013, when it reached its peak price. However, since then, there was a huge crash, when the price came down quite close to an all time low. Thats when stuff like 'BTC is dead again', and 'Bitcoin is dead again' stuff started coming up. Since then, it has made quite a comeback, despite all criminals using it, and stuff like Silk Route and drug markets which relied on Bitcoins. Experts say that it might be onto a very big price, which it can reach quite soon, and also that bitcoin has reached its mainstream this year, right after the July, 2016 halving.
Now the estimated transaction volume of bitcoin is around $200,327,041 BTC, which is quite a value for something supposedly 'dead', with an average of 240,820 transactions per day, according to blockchain.info. And there are still more than 70% of the people who havent even used bitcoin ever. In recent months, bitcoin grabbed tremendous attention because its underlying technology, the blockchain, also can be used to reinvent the exchange of stock and other financial securities.
Read full article here :
https://www.wired.com/2016/01/thought-bitcoin-was-dead-2016-is-the-year-it-goes-big/