Looks good overall, Brent. I fixed a missing word and a grammar issue while reading, and in the section on under-13 users I think you need to explicitly state that it's the children we're not tracking, rather than leave it undefined and open-ended, but other than that, I've no problems.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.