Two April Fool's jokes that must have been funny:
#77: MITkey Mouse
MIT Mickey Mouse On April 1, 1998 the homepage of the Massachusetts Institute of Technology announced some startling news: the prestigious university was to be sold to Walt Disney Co. for $6.9 billion. A photograph of the university's famous dome outfitted with a pair of mouse ears accompanied the news. The press release explained that the university was to be dismantled and transported to Orlando where new schools would be added to the campus including the School of Imagineering, the Scrooge McDuck School of Management, and the Donald Duck Department of Linguistics. The fact that the announcement appeared on MIT's homepage added official credibility to it. But in fact, the announcement was the work of students who had hacked into the school's central server and replaced the school's real web page with a phony one.
#99: Virgin Cola’s Blue Cans
In 1996 Virgin Cola announced that in the interest of consumer safety it had integrated a new technology into its cans. When the cola passed its sell-by date, the liquid would react with the metal in the can, turning the can itself bright blue. Virgin warned that consumers should therefore avoid purchasing all blue cans. The joke was that Pepsi had recently unveiled its newly designed cans. They were bright blue.
And one that I could actually see not being a joke:
#95: Chunnel Blunder
In 1990 the News of the World reported that the Chunnel project, which was already suffering from huge cost overruns, would face another big additional expense caused by a colossal engineering blunder. Apparently the two halves of the tunnel, being built simultaneously from the coasts of France and England, would miss each other by 14 feet. The error was attributed to the fact that French engineers had insisted on using metric specifications in their blueprints. The mistake would reportedly cost $14 billion to fix.
http://www.museumofhoaxes.com/hoax/aprilfool/
