This document summarizes information on several popular digital platforms and social media companies. It provides details on the founders, current CEOs, acquisition history, user base, and estimated net worth for companies like Facebook, Google, LinkedIn, Twitter, SlideShare, WhatsApp, Rediff, Microsoft, Apple, Instagram, YouTube, Pinterest, Foursquare, and Yahoo.

1. DIGITAL CELEBRITIES
Done By
Ravina Gosalia

2. FACEBOOK
• Founder Mark Elliot
Zuckerberg,Dustin Moskovitz &
Chris Hughes.
• Born on 1984,White Plains, New
York.
• Launched from Harvard dormitory
room on February 4, 2004.
• Current CEO Mark Elliot Zuckerberg
• Net worth $29.7 billion

3. • Founder's Larry Page & Sergey Brin
• Current CEO Larry Page
• Net worth $59.825 billion
• Google acquired keyhole inc., Youtube, Grand
Central, On2Technologies & Aadvark.
• Partnership with NASA research center, Sun
microsystems, Fox interactive media, Global IP
solutions & Geoeye.

4. LINKEDIN
• Founder’s Reid Hoffman,Allen Blue,Konstantin
Guericke,Eric Ly & Jean-Luc Vaillant.
• Current CEO Jeff Weiner
• Active users 300 million
• Net worth $1.52 billion
• A social networking service

5. TWITTER
• Founder Evan Wiliams,
Noah Glass,Biz Stone &
Jack Dorsey.
• HQ San Francisco
• Current Ceo Dick
Costolo
• Net worth $664 million.

6. • Founder Rashmi Sinha, Jonathan Boutelle & Amit
Ranjan
• Current CEO Rashmi Sinha
• Estimated users 58 million unique users.
• Slide hosting service
• File Formats Ppt,PDF,Keynote or Open Document
presentations.

7. WHATSAPP
• Founder Brian Acton & Jan Koum in 2009
• Current CEO Gopal Kshirsagar
• 400 million active users
• 700 million photos and 100 million videos are shared
each day
• Supports IOS,Android,Blackberry OS, Blackberry 10,
Symbian, Window Phones & Nokia series 40 platform.

8. Founded by Ajit Balakrisknan in 1996
Current CEO Ajit Balakrisknan
•Net worth $21.80 million
•Features rediffmail,rediffshopping,rediff
moneywiz,rediff news app & redifflabs.

9. • Founder Bill Gates
• Current CEO Satya Nadella
• Net worth $ 77.85 billion
• World's largest software
maker.
• Product 's for developement
software, digital media
authoring, Internet, OS,
vidoe games & office.

10. Founder Steve Jobs
• Current CEO Tim Cook
• Net worth $170.91 billion
• World's second largest information technology company.
• Services Apple store,app store,icloud,itunes
store,ibook etc.

11. • Online mobile photo-sharing, video-sharing and social
networking service
• Founder Kevin Systrom & Mike Kreiger
• Distributed through the Apple App Store, Google Play,
and Windows Phone Store.
• Taken over by Facebook

12. YOUTUBE
• Founder Steve
Chen,Chad
Hurley,Jawed Karim
• HQ San Bruno,
California.
• Video sharing website
• Acquired by Google.

13. • Founder's Paul Sciarra, Evan Sharp, and Ben
Silbermann
• Visual discovery tool that people use to collect ideas for
their different projects and interests
• Launched in March 2010
• Acquired by Facebook

14. • Founder's Dennis Crowley,Naveen Selvadurai
• Headquarter New York City.
• Service launched in 2009
• Location-based social networking website for mobile
devices, such as smartphones.

15. YAHOO
• Founder's Jerry Yang, David Filo.
• Headquarter Sunnyvale, California, U.S.
• Revenue $4.68 billion
• Globally known for its Web portal, search engineand
related services,advertising, online mapping, video
sharing, fantasy sports and its social media website.