Over a 30-day period in March and April 2011, 67,000 people wrote 76,000 new definitions for Urban Dictionary, while 3,500 volunteer editors were registered. In an April 2011 Guardian article titled "In praise of urban dictionaries", Peckham revealed an overview of 10 rules that he had devised for the site's content: "Publish celebrity names, but reject 'real life' names. Reject nonsense, inside jokes or anything submitted in capital letters.