1e480021_iness___Local_Search___Part_15__Additional_details
[Date/Area Affected / Issue] 01/17/12 Places & Places Dashboard: Places Page Totally Disappear from both the Places index and the dashboard [Reference URL] Places Forum Post Other reports here, here, here & here [Additional details] 
This does not seem very widespread but it is serious.
Google Places (Maps & Local) | Understanding Google My Business & Local Search - Part 15
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