Patent 8996985 was granted and assigned to Google on March, 2015 by the United States Patent and Trademark Office.
A plurality of comments associated with a document is received, and a representation of the document and a representation of a comment thread comprising the plurality of comments are displayed simultaneously on a user device. In one embodiment, a first comment is received from a first user and a second comment is received from a second user. The comment thread may be stored. Systems and apparatus are also disclosed.