The Guardian starts selling time-based ad campaigns

The Guardian is running its first digital ad campaign based on the amount of time people see the ads. Advertisers can now buy ads across the Guardian’s properties in guaranteed time slots of 10-, 15-, 20- or 30-second fragments, 100 percent in view. The Economist is the first client to buy the Guardian’s ads in this way and will be running a campaign until September.Read the full article