Patent ID: 9391938
Filing Date: 2016-07-12
CPC Classification: G06F,H04L

Claim Text:
1. An electronic messaging server comprising: a processor and memory programmed to initiate executable operations comprising: receiving, by the electronic messaging server, from a first client device a first electronic message including at least one uniform resource identifier; determining, by the electronic messaging server, whether a user to whom the first electronic message is sent has previously accessed content provided by a resource identified by the uniform resource identifier by determining whether the content provided by the resource has changed since the user previously accessed the content and, if so; responsive to determining that the amount of content that has changed at least equals the threshold value, automatically generating, by the electronic messaging server, a second electronic message corresponding to the first electronic message, the second electronic message including the uniform resource identifier and indicating, in the second electronic message, that the user has not previously accessed the content provided by the resource identified by the uniform resource identifier; and communicating, by the electronic messaging server, the second electronic message to a second client device of the user to whom the first electronic message is sent.