"The web is going Google" and there is no way you can imagine Internet without Google. From its inception in the last decade of the 20th century to the present day, Google has developed into a powerful corporation that contributes in shaping the public knowledge. The core principle behind Google's sweeping success is innovation.
1- Google Plus Cheat Sheet
2- Google Docs Cheat Sheet
3- Google Search Sheet
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4- Gmail Cheat sheet