The first thing that comes to mind while searching Internet search is Google! Let us tell you that when Google started in 1996, its name was BackRub, but it was made Google.com in 1997.
Blackberry
Canada's renowned smartphone and tablet maker 'Blackberry' was launched in 1984 by Research In Motion (RIM). In January 2013, its name was changed to Blackberry.
Yahoo
Stanford students Jerry Yang and David Philo have introduced Yahoo together. In 1994, Yahoo was named Jerry's Guide to the World Wide Web but later it was changed to Yahoo which means, 'Yet Another Hierarchical Officious Oracle'
Sony
Telecommunication Company Sony was started as a Radio Repair Shop in 1946, then its name was Tokyo Tsushin Kogyo. But in 1958, its name was changed to Sony.
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