Noticed this when I my mouse hovered over the MLS business page link. Shows exactly the same for other pages we manage so obviously a site wide bug. Made me smile, in nerdy end of the week way...
That's impressive You'll have to celebrate the big 5 0 next year!
Ha ha ha! I bet that was the work of a Facebook Developer who thought 'hmmm let's add this in and see if anyone notices...'