Targeted ads offer little extra value for online publishers, study suggests

How much value do online publishers derive from behaviorally targeted advertising that uses privacy-hostile tracking technologies to determine which advert to show a website user? A new piece of research suggests publishers make just 4% more vs if they were to serve a non-targeted ad. […]

Groupon cofounder Eric Lefkofsky just raised another $200 million for his newest company, Tempus

When serial entrepreneur Eric Lefkofsky grows a company, he puts the pedal to the metal. When in 2011 his last company, the Chicago-based coupons site Groupon, raised $950 million from investors, it was the largest amount raised by a start-up, ever. It was just over […]