Confirmed: Twitter Buys TenXer For Under $50M To Improve Its Tools For Engineers Ingrid Lunden / TechCrunch : TechCrunch 2015-04-02 Ingrid Lunden TechCrunch, Twitter Buys TenXer, Ingrid Lunden Related Coverage View article VentureBeat View article The Next Web View article SlashGear View article ValueWalk