Patent ID: 11941354
Assignee: GOOGLE LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 9:
10. Non-transitory computer-readable media having stored thereon instructions, that when executed by one or more processors, perform operations comprising:
storing, at a server, a first comment for an electronic document, wherein the first comment is provided by a first user of a first user device;
storing, at the server, a second comment for the electronic document, wherein the second comment is provided by a second user of a second user device in response to the first comment;
storing, at the server, data identifying the second comment;
receiving a first request from the first user device to delete the first comment;
responsive to the first request to delete the first comment, deleting the first comment and the second comment from the server;
receiving a second request from the first user device to undo the deleting of the first comment and the second comment, wherein the second request is received in association with at least a portion of the first comment and at least a portion of the second comment;
determining whether data associated with the at least the portion of the second comment corresponds to the stored data identifying the second comment; and
responsive to determining that the data associated with the at least the portion of the second comment corresponds to the stored data identifying the second comment, causing the deleting of the first comment and the second comment to be undone.