I agree. Whenever I defend Foursquare to non-users, I use the "friends sometimes come meet me" explanation. Forecast solves this in a more practical way by pro

I agree. Whenever I defend Foursquare to non-users, I use the "friends sometimes come meet me" explanation. Forecast solves this in a more practical way by providing my friends advanced notice. If I had to choose between the two - I'd much rather keep Forecast.