Method and system for republishing mobile content

1. A content delivery system for republishing a set of content for a wireless device, the system comprising:

a content server configurable to deliver push content to the wireless device, the content server having a processor connected to a memory; and a mobile connector coupled to the content server for delivering the set of content to the wireless device by pushing the set of content to the wireless device, the content server having one or more modules stored in the memory and being configured to cause the content server to:

push a content manifest to the wireless device, the content manifest being associated with the set of content comprising at least two content items, the content manifest providing:

information for retrieving each of the at least two content items, and information for identifying each of the at least two content items; and

in response to a request from the wireless device for a selection of one or more content items selected from the at least two content items, provide the selected one or more content items;

wherein content items are not provided to the wireless device until receipt of the request from the wireless device; and

wherein when the set of content comprises at least one content item which was previously provided to the wireless device, the content manifest provides information for determining whether the previously provided at least one content item has been updated.

2. The content delivery system of claim 1 , wherein the one or more modules of the content server comprise:

a content assignment and access management component for assigning the set of content to be delivered to a particular wireless device;

a mobile content delivery component coupled to the content assignment and access management component for handling delivery of the set of content to the wireless device;

a delivery queue coupled to the mobile content delivery component for holding requests for delivery; and

a delivery queue web service coupled to the delivery queue for retrieving queued items.

3. The content delivery system according to claim 2 , wherein the one or more modules of the content server further comprise:

a content authoring and publishing system for creating the set of content to be delivered to the wireless device; and

a central storage device for storing the set of content to be delivered to the wireless device.

4. The content delivery system of claim 1 wherein the set of content is assigned to the wireless device, and the one or more modules are further configured to cause the content server to:

identify the wireless device to which the set of content is assigned; and

send the content manifest to the wireless device to which the set of content is assigned, in the absence of a request from the wireless device.

5. The content delivery system of claim 1 wherein the one or more modules are further configured to cause the content server to:

include information in the content manifest for verifying each of the at least two content items.

6. The system of claim 1 wherein the information for identifying each of the at least two content items comprises information for verifying each of the at least two content items.

7. The system of claim 6 wherein the information for identifying and verifying each of the at least two content items comprises a checksum for each of the at least two content items.

8. The system of claim 1 wherein the set of content comprises at least one updated content item corresponding to changes to existing content previously delivered to the wireless device, and also comprises at least one old content item that is unchanged from the existing content.

9. A method, in a content server of a content delivery system, for republishing a set of push content for a wireless device, the method comprising:

sending a content manifest to the wireless device by pushing the content manifest to the wireless device, the content manifest being associated with the set of content comprising at least two content items, the content manifest providing:

information for retrieving each of the at least two content items, and information for identifying each of the at least two content items; and

in response to a request from the wireless device for a selection of one or more content items selected from the at least two content items, providing the selected one or more content items;

wherein content items are not provided to the wireless device until receipt of the request from the wireless device; and

wherein when the set of content comprises at least one content item which was previously provided to the wireless device, the content manifest provides information for determining whether the previously provided at least one content item has been updated.

10. The method of claim 9 , wherein the set of content is assigned to the wireless device, the method further comprising:

identifying the wireless device to which the set of content is assigned; and

sending the content manifest to the wireless device to which the set of content is assigned, in the absence of a request from the wireless device.

11. The method of claim 9 further comprising:

including information in the content manifest for verifying each of the at least two content items.

12. The method of claim 9 wherein the information for identifying each of the at least two content items comprises information for verifying each of the at least two content items.

13. The method of claim 12 wherein the information for identifying and verifying each of the at least two content items comprises a checksum for each of the at least two content items.

14. The method of claim 9 wherein the set of content comprises at least one updated content item corresponding to changes to existing content previously delivered to the wireless device, and also comprises at least one old content item that is unchanged from the existing content.