Presenting comments from various sources

A system, comprising:

• one or more devices to:
• analyze a plurality of blog posts to identify a plurality of documents to which the plurality of blog posts relate,
• store the plurality of blog posts, as comments, in a first database in association with information identifying the plurality of documents to which the plurality of blog posts relate,
• the plurality of blog posts being stored in a second database,
• receive, from a client device, a request for one or more comments relating to a particular document,
• search the first database to identify particular comments, of the comments, relating to the particular document, and
• provide, to the client device, the identified particular comments for presentation in connection with the particular document.

A non-transitory computer-readable medium storing instructions, the instructions comprising:

• one or more instructions which, when executed by one or more processors, cause the one or more processors to analyze blog posts to identify documents to which the blog posts relate;
• one or more instructions which, when executed by the one or more processors, cause the one or more processors to store the blog posts, as comments, in a data structure associated with the one or more processors,
• the comments being stored, in the data structure, in association with information identifying the documents to which the blog posts relate;
• one or more instructions which, when executed by the one or more processors, cause the one or more processors to receive, from a client device, a request for one or more comments relating to a particular document;
• one or more instructions which, when executed by the one or more processors, cause the one or more processors to search, based on receiving the request, the data structure to identify particular comments of the comments,
• the identified particular comments relating to the particular document;
• and
• one or more instructions which, when executed by the one or more processors, cause the one or more processors to provide, to the client device, the identified particular comments for presentation with the particular document.

A method comprising:

• analyzing, by one or more devices, blog posts to identify documents to which the blog posts relate;
• storing, by the one or more devices, the blog posts, as comments, in a data structure associated with the one or more devices,
• the comments being stored, in the data structure, in association with information identifying the documents to which the blog posts relate;
• receiving, by the one or more devices and from a client device, a request for one or more comments relating to a particular document;
• searching, by the one or more devices and based on receiving the request, the data structure to identify particular comments of the comments,
• the identified particular comments relating to the particular document;
• and
• providing, by the one or more devices and to the client device, the identified particular comments for presentation with the particular document.