How to find the vintage of Bing imagery for MapInfo Professional

Bing Maps is constantly updating imagery in new areas and updating existing areas of coverage.  Microsoft does not provide us with any specific schedule etc. concerning these updates, or a method to determine current vintage for any given area.
Imagery update information is typically available on sites like a Bing Community blog. We suggest posting a comment to a Bing Community blog to request imagery vintage information for a specific area.
    A search of the web shows there are sites available to assist in determining imagery vintage, such as:
We assume there are numerous sites like this...
(note: these are 3rd-party sites so we cannot vouch for their accuracy, availability, etc.)
UPDATED:  August 8, 2017