May 12, 2016: Inventor of the cell phone says this is the next big thing
http://money.cnn.com/2016/05/09/technology/marty-cooper-cell-phone-energous/index.html
BITCoin: Believe the Hype: Heres the Actual Next Big Thing in Tech
http://fortune.com/2017/08/22/blockchain-next-big-thing-tech/
Wall Street Thinks Netflix Is The Next Big Thing
One trap that I fall into is “why would anyone need that.” Even though the need might not exist, it may in the future.
BTW, I remember the hype around the Segway and it wasn't that popular. Probably mostly a marketing ploy to drive interest.