Funding and Acquisitions: Groupon raises $500 million…with more to come

Today’s funding and acquisitions news roundup from across the web:

Web Content

Groupon’s non-IPO raises $500 million, with $450 million to go (via DealsBeat)

Advertising

Image Space Media Raises $1 Million For In-Image Ad Platform (via TechCrunch)

Mobile

Appconomy raises $1.5M to build enterprise mobile apps (via DealsBeat)

Advertising/Social Media

TextualAds Raises $650K For Facebook-Fueled, Targeted SMS Campaigns (via TechCrunch)