1. A method of informing users of updates to a content item hosted at a content item source, the method using a device having a processor and access to a chat service and comprising: executing on the processor instructions configured to: form a chat group in the chat service regarding the content item; upon receiving from a user a request to subscribe to the content item, invite the user to join the chat group; upon receiving an update to the content item, post the update as a message in the chat group; and upon receiving from a user of the chat group a message regarding the content item, send the message to the content item source to be posted as an update to the content item.