Today’s funding and acquisitions news roundup from across the web:
Mobile
Mobile Payments Startup Billing Revolution Raises $6.6 Million (via TechCrunch)
StackMob stacks up $7.5M to be Heroku-style backend for mobile developers (via VentureBeat)
Social Media
Tradeshift reinvigorates invoicing with $7 million in funding (via DealsBeat)
IT/Enterprise
SanDisk buys enterprise flash memory firm Pliant Technology for $327M (via VentureBeat)