Since Charlize Theron, 40, became single in June, she and Jake Gyllenhaal, 34, have been two of Hollywoodâs most eligible and attractive single celebrities. Add in the fact that theyâre good friends, and suddenly, their friendship has become a little more than just that! A new report says Jake and Charlize are secretly dating! About two months after Charlize called off her engagement to Sean Penn, she and Jake were spotted at a sushi restaurant in L.A. in late August.
 The MarketScan data warehouse, a family of databases, contains individual-level healthcare claims information from large employers, managed care organizations, Medicare, and Medicaid programs. This white paper describes the features and research uses of MarketScan data.imitations of the data. As with any data source, MarketScan data have limitations. Some of these have to do with the nature of claims data, and others with the nature of the MarketScan sample population. Key limitations include the following:â¢ MarketScan is based on a large convenience sample.
Hereâs a primer â in as plain English as possible â on ad exchanges, how they work, and what theyâre used for: What is an ad exchange? An ad exchange is a digital marketplace that enables advertisers and publishers to buy and sell advertising space, often through real-time auctions. Theyâre most often used to sell display, video and mobile ad inventory. Who buys from ad exchanges? Virtually anyone can buy from an ad exchange provided the ad exchange allows it. Advertisers and agencies typically use demand-side platforms or their own bidding technologies to do so, but ad networks and other entities also buy ads from exchanges. Great. But how do they do that? Basically, an ad exchange is just a big pool of ad impressions. Publishers tip their ad impressions into the pool hoping someone will buy them. Buyers then pick which impressions they wish to purchase using technologies like demand-side platforms.