A fact from Frequency agility appeared on Wikipedia's Main Page in the Did you know column on 4 June 2009 (check views). The text of the entry was as follows:
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-- Most of the links on this page are broken, and there are not suitable replacements. I don't know who to poke in Wikipedia land about this, and the FAQ wasn't helpful in figuring out what sort of warning/notice to put on the page saying this information may be inaccurate and needs more citations. Which you'd think I could have found easily since it's a wikipedia cliche... — Preceding unsigned comment added by 50.124.210.129 (talk) 18:33, 17 February 2017 (UTC)[reply]
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