Pedant's delight

http://www.unnecessaryquotes.com/
Begun in the spirit of Lynne Trusses everywhere, fuming at the promiscuity of the apostrophe in public signs — and some of the places it turns up really are extraordinary, as in LADIE’S — the blog has now branched out into recording other areas of punctuational abuse, notably pointless quotation marks. Watch and “wonder”.

There's even a Facebook group.