Your experience with Foursquare and other geolocation services?

Geo-location services are the latest trend, and they present new opportunities for data mining as well as new privacy challenges. What is your experience with geolocation services [86 votes]
I have checked-in to Foursquare, Facebook Places, Gowallah, or other geolocation services (20)	24%
Did not check-in yet, but plan to check-in this year (13)	16%
Did not check-in and no plans to check-in this year (51)	61%
Data Analysis
I have analyzed data from a geolocation service (15)	18%
Did not analyze geolocation data yet, but plan to do it this year (23)	27%
Did not analyze geolocation data and no plans to do it this year (44)	52%

Gregory Piatetsky, Editor: As results indicate, data miners are not rushing to use geo-location services. Slightly more respondents are planning to analyze the data than to actually use it themselves.