top | item 3053169 How We Built Our Real-Time, Location-Based Urban Geofencing Game 24 points| caseorganic | 14 years ago |blog.programmableweb.com 2 comments order hn newest [+] [-] rosshere|14 years ago|reply Yep - that's cool... [+] [-] ZipCordManiac|14 years ago|reply Pretty cool!
[+] [-] rosshere|14 years ago|reply
[+] [-] ZipCordManiac|14 years ago|reply