Mobile advertising startup Celtra nets $4 million in new investment
Mobile adverÂtisÂing startÂup CelÂtra, which offers ad disÂplay techÂnolÂoÂgy and anaÂlytÂics, has just bagged anothÂer $4 milÂlion in investÂment, just two years after securÂing a $5 milÂlion Series A round back in JanÂuÂary 2011. The curÂrent round was led by SoftÂBank CapÂiÂtal, whose manÂagÂing partÂner Ron
