Bill Gates' house was designed using a Macintosh computer.
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The four ghosts in Pac-Man are programmed to act differently: red chases you, pink just tries to position itself in a set way, blue tries to ambush you and orange is random.
21
20 years ago, there were only 130 websites, Google wasn't around, and you had to pay for an email account through an ISP.
12
The ‘@’ sign is centuries old, and was used in Europe to denote a unit of weight (the “arroba”) equivalent to 25 lbs.
11