Piers Harding-Rolls. The same man recently said that VR sales in 2020 would total at least 38M. Xbox One sales are currently at 20M, so nearly twice what Xbox has sold, but in headsets:
http://www.ft.com/cms/s/0/95749b98-7c8b-11e5-98fb-5a6d4728f74e.html
And then he said that Sony would be the king of VR, gaining at least 64% of the market before the end of 2016:
http://www.gamespot.com/articles/playstation-vr-sales-could-hit-16-million-units-an/1100-6435717/
Sony is dead. And alive. Sony are zombies. And zombie games go on the Xbox One.
Therefore Microsoft will buy Sony, confirmed.
The same man predicted Nintendo would release a Wii 1.5 before releasing the Wii U in 2013. (Why?)
He also significantly underestimated the gap between the PS4 and the Xbox One, saying it would be 11M by the beginning of next year (it's currently 19M).
From an article in 2008:
Which said: "Want to avoid his ignominious fate? Just be like Piers Harding-Rolls and predict stuff so far into the future no one can tell how accurate your calls are until you've moved on to used car sales or something."
Be careful which sources you find. Some people will agree with you because they're knowledgeable. Others because they don't know anything.