Location Location

I´ve had Foursquare for a while on my iPhone but just recently I started actually using it on a daily basis. It´s good, I like it more every day. I find way more deals there than on Facebook places.
And then we have Google places. Haven´t even tried it to be honest, I leave that to the Android peeps :-)
Here is an interesting article about the location-war.
I think this is should be an integral essential part of a companies marketing plan.

Google vs Facebook check-in WarTweet