Here is a small but interesting change Google is testing for the local pack map in the search results. Sergey Alakov posted a screen shot of it on Twitter showing a small toggle button in the map image that lets you expand the map fully.
Here is that screen shot:
I personally don't believe I ever saw this and I am not able to replicate this myself but it is a nice little feature that I think might stick and be used by searchers.
What do you think?
Forum discussion at Twitter.
This post was scheduled to go live today but was written earlier - I am currently offline today.