12. The computer storage media of claim 11 , wherein generating a snippet based on user data comprises: retrieving a plurality of text pieces associated with the authoritative user, each text piece having been generated from the user data; identifying one or more snippet pieces from the plurality of text pieces based on the trigger query; and appending two or more snippet pieces together to provide the snippet.
12. The computer storage media of claim 11 , wherein generating a snippet based on user data comprises: retrieving a plurality of text pieces associated with the authoritative user, each text piece having been generated from the user data; identifying one or more snippet pieces from the plurality of text pieces based on the trigger query; and appending two or more snippet pieces together to provide the snippet. 13. The computer storage media of claim 12 , wherein the revised snippet is provided by: selecting a snippet piece to append to the snippet, determining that the snippet piece is to be appended to the snippet, and appending the snippet piece to the snippet.