The Google Lat Long Blog announced businesses can now add real time information to their business listings. How does it work? It is honestly a bit tricky.
You would think you would "Edit" your business listing in Google Local Business Center. But no, instead you click on the "View report" link under the statistics section of that page. Then you are presented with a box to add a quick real-time message to your business listing (Places Page) on Google Maps.
On the top right of the statistics page is this box where owners can add information:
Here is me adding some info that may expire soon:
And here is that information showing up on my business listing in minutes:
Clearly, if you have a very active Google Maps listing, this can come in handy.
Forum discussion at DigitalPoint Forums.