The roundel structure uncovered in the outskirts of Prague, Czech Republic. It's thought to have been built around 7,000 years ago.

The excavated roundel is large — about 180 feet (55 meters) in diameter, or about as long as the Leaning Tower of Pisa is tall, Radio Prague International reported. And while "it is too early to ...

Roundel helps clients tap into this insight into consumer behavior to create personalized ad campaigns for Target.com or on about 150 other social sites and digital platforms, such as Pinterest ...

A mysterious, newly discovered stone roundel in Prague is older than Stonehenge and the Egyptian pyramids, built some 7,000 years ago during the Stone Age. Its purpose remains unknown.

But another part of the business is thriving. Roundel, Target’s in-house ad business, grew more than 20 percent in its fiscal year that ended on February 3, Reuters reported.

Target made its first appearance at Newfronts, the Interactive Advertising Bureau’s (IAB) Digital Content event last week and unveiled its newly renamed and repositioned Target Media Network ...