| 摘要 |
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 a first content item to a first device associated with a user; receive a input from the first device indicating that the first content item has been stored in a repository of the first device; in response to the input, synchronizing the repository of the first device with a user account including the first content item; receiving a request for one or more content items stored in the user account from a second device associated with the user; presenting the requested content items on the second device associated with the user including the first content item; and receiving an indication of a conversion event associated with the presented first content item on the second device. |
