4. Catherine Cook and David Cook:

Catherine Cook is popularly known as Female Mark Zuckerberg launched ‘myYearbook’ along with her brother David Cook when they were in their high school. They both got the idea of starting myYearbook when they were complaining about the choice of photographs in their annual school yearbook, reports Jeff Maysh on Mail Online Website. Catherine set up a social networking site using her personal computer at her bedroom and that social networking site has built up more than 25 million users across the United States by now. This myYearbook, is still recording a growth even though many other platforms have come and gone from the past seven years. The site has also released apps for iPhone, iPad and Android smart devices from the past two years. Catherine graduated with a Degree in Operations and Information Management and Marketing from Georgetown and David earned a Bachelor’s Degree in Economics from the Colorado in Boulder.