The world’s first app store was built on the NeXTSTEP platform, the same on which the World Wide Web was developed by Sir Tim Berners-Lee.
Electronic AppWrapper created by Paget Press, Inc. and released in 1991 was the world’s first commercial electronic software distribution system to manage encryption and provide digital rights for applications, music and media. In other words, it was the world’s first app store!
The popular Sudoku involves no mathematics at all. Instead of numbers, shapes, alphabet, colors, symbols etc. can be used. That's the beauty and simplicity of the puzzle! By the way, only 5,472,730,538 Sudoku are solvable. That's a big enough number in itself! Contrary to popular belief stemming probably from it's Japanese sounding name, Sudoku did not originate in Japan! It was created by an American Architect, Howard Garns, who called it Number Place - the Japanese still call it that. On a related note, the credit for popularising Sudoku goes to Wayne Gould, a Hong Kong judge. He spent several years in developing a computer program that would automatically generate these puzzles. Gould also convinced The Times in Britain to publish them. From there, Sudoku quickly reached US shores and spread around the world. [more...]