Provides status updates / microblogs like Facebook's Wall / News Feed, Twitter's Timeline, and Yammer's Feed. Users can update their own status or write messages to other users, nodes, Organic Groups, taxonomy terms, or other entity types. @mentions and #hashtags are supported, as well as comments on status updates, viewing conversations between users, the ability to "like"/"reply" to/RT a message, automatic updates without page refreshing, and integration with over 20 modules.
This module adds extra fields to the node edit form and lets you specify the max length of comments for specific nodes, and allows you to disable the subject field.