Patent attributes
In general, this specification relates to content presentation. In general, one aspect of the subject matter described in this specification can be embodied in methods that include the actions of presenting an ad within a mobile application interface of a mobile device; receiving a user selection of the ad; determining that a browser session is to be initiated in response to the user selection of the ad; generating a request URL, using one or more processors, where the request URL includes a device identifier for the mobile device; and submitting the URL request using the browser including: determining whether an ad cookie associated with the ad exists on the browser, and if the cookie associated with the ad exists, sending an ad cookie identifier along with the request. Other embodiments of this aspect include corresponding systems, apparatus, and computer program products.