Hard Hard difficulty. Linkedin What company was the first to advertise on LinkedIn? Answer Microsoft Draw the answer
Intermediate Intermediate difficulty. Linkedin LinkedIn co-founder Reid Hoffman belongs to what nickname for former PayPal employees who later built major tech firms? Answer PayPal Mafia Draw the answer
Hard Hard difficulty. Linkedin In April 2014, LinkedIn leased which 26-story San Francisco building for up to 2,500 employees? Answer 222 Second Street Draw the answer
Easy Easy difficulty. Linkedin Which earlier company did Reid Hoffman leave to join PayPal before co-founding LinkedIn? Answer SocialNet.com Draw the answer
Hard Hard difficulty. Linkedin Which investment firm made a $20 million investment in LinkedIn in 2010? Answer Tiger Global Management Draw the answer
Intermediate Intermediate difficulty. Linkedin What was LinkedIn's approximate valuation after its $53 million funding round in June 2008? Answer $1 billion Draw the answer
Intermediate Intermediate difficulty. Linkedin In what month and year did LinkedIn launch a mobile version of its site? Answer February 2008 Draw the answer