Tencent-backed homework app jumps to $3B valuation after raising $300M Ifeadi C. 01:59 TechCrunch, Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsTesla’s new accounting chief has SolarCity rootsThe next frontier in real estate technologyBird lays off up to 5% of workforceYourChoice Therapeutics is developing unisex, non-hormonal birth controlApple ad focuses on iPhone’s most marketable feature — privacyTurtle Beach is buying fellow gaming accessory maker Roccat