Today’s funding and acquisition roundup:
Hearst to buy search marketing star iCrossing for $325M (via VentureBeat)
Velti acquires Media Cannon to expand its mobile ad business (via MobileBeat)
BookRenter raises $10M to challenge Chegg in textbook rentals (via DealsBeat)
Rummble raises further $800k to boost its UX and expand team (via TechCrunch Europe)