Two announcements in the last day show the explosion of Location Based Services.

This is only the start.

First of all, Foursquare now has a recommendation engine in their newly release version 3.0. So you can see what is nearby that is recommended by your friends and others:

Foursquare 3.0 Has Arrived

I predict that will be very popular.

Now a new startup, Domo, let's you connect with nearby strangers on Facebook with shared interests:

Say Hi to Facebook Strangers

It's new, but this is the direction we are heading in, as by end of this year, half the cell phones in the U.S. will be smartphones (with GPS location capability in nearly all cases).