Quipper was founded in 2010 by Masayuki Watanabe, co-founder of DeNA, and is based in London. The Quipper App was launched in October 2011, and in May 2012 raised £2.3m ($3.6m) for its Series A funding round. Its users have answered more than 150 million questions on over 3,000 topics. It has a rati ... อ่านต่อ