By placing a tracking cookie on a user's computer, an advertising network can collect information about the user's web-browsing activities and use that information to serve online ads targeted to the user's interests or for other purposes.
The company's website is the only one of its kind that ranks restaurants according to customers' best interests, with recommendations based on order history, user ratings, discounts and free delivery.
And that means offering both professional and user generated content on the device always with their audience and collecting data about their interests and behaviors.
Although Google doesn't reveal a user's name to advertisers, Google uses information about the person's Web visits and interests to help marketers target ads more accurately, Google says.