#3 Ethernet Inventor Predicts Internet Collapse

Quote: "Almost all of the many predictions now being made about 1996 hinge on the Internet's continuing exponential growth. But I predict the Internet will soon go spectacularly supernova and in 1996 catastrophically collapse."

Date: 1995

Robert Metcalfe, founder of 3Com and inventor of Ethernet, made one of the most insane predictions ever made. He even guaranteed to literally eat his own words if his predictions fail. Living up to his promise, Metcalfe took his keynote speech during the International World Wide Web Conference in 1999, put a printed copy of his declaration into a blender, combined it with liquid, and drank it in front of the entire crowd. Of course the crowd was in fits of laughter.

#2 Jobs Shoots Down EPSN Samsung Phone

Quote: “Your phone is the dumbest fucking idea I have ever heard."

Date: 2006

Steve Jobs was know for his plain jabs at his rivals, so the above quote was no different.  So when ESPN president George Bodenheimer spotted the Apple CEO in a hallway during a Disney board meeting in Orlando, Florida, he introduced himself and received an unfriendly welcome.

#1 Ballmer Goes Crazy On Google After Microsoft Employee Quits

Quote: "F… Eric Schmidt is a f… p... I'm going to f… bury that guy, I have done it before, and I will do it again. I'm going to f… kill Google."

Date: 9/2/2005

Microsoft engineer Mark Lucovsky was on the receiving end of a verbal tirade when he said to Ballmer that he he’s quitting the company for Google. Steve Ballmer said to have flung a chair across the room saying  "Just tell me it's not Google," then blew a gasket in his office, threatening to destroy CEO Eric Schmidt and the search engine.