SOFATUTOR: €3.5 million (approximately US $4.6 million) to Berlin-based Sofatutor in a Series C round led by German textbook publisher, Cornelsen; existing investors Acton Capital Partners, J.C.M.B. and IBB Beteiligungsgesellschaft also participated. Founded in 2008, Sofatutor offers online videos and tutoring for a wide range of academic subjects across all grades. More details from TechCrunch.