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.

Roundel says the campaign led to a 4.4 percent rise in online sales and a 7.9 percent rise in in-store sales. Roundel is not the only in-house ad business of a large retail brand.

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 ...