How things work (it's simple!)...
Enter as many as four starting points, landmarks, friends' addresses, etc., and a search term for the type of place where you'd like to meet (or try one of the other tabs for suggestions that we have come up with).
Hit the rendeznew button and get ready to meet in the middle.
If your midpoint is not to your liking you can always drag the 
to another location.
Locations [1-4]
Results [A-H]