Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /nfs/c02/h04/mnt/20222/domains/andywibbels.com/html/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524
Great advice. Including:
Smallest font-size used is the age of the oldest audience member divided by two.