#9 Word Processor

Wang Laboratories, a computer company founded by Dr. An Wang and Dr. G. Y. Chu Wang in 1951.  The company’s first attempt at a word processor was the Wang 1200(1971). Harold Koplow had written the microcode to perform word processing functions instead of number crunching, breaking new ground between typewriters and mainframes. Later WordStar for TRS-80(1979) put word processing onto personal computers. Something which made fingers just type on, than scribing it on paper.

#8 Delete Key

This simple innovation helped us to correct our mistakes without much fuss. It also reduced need for WhiteOuts, erasers, OS reboots and aftermath apologies; just press and undo.

#7 UNIX

UNIX is a multitasking, multi-user computer operating system developed by a group of AT&T employees at Bell Labs in 1969. The OS simplified the execution of computer programs on machines, before which the program had to converted it to punch cards and give them to MIS, which was then fed to the mainframe.

The whole new world of product based software took the roots in IT industry, powering even those with law IT skills to write programs. The programs were line-of-business applications and large-scale ERP, CRM and SCP systems; which eventually moved to the cloud and took the form of Salesforce.com, Facebook and World of Warcraft.