Obelisk blog https://obelisk.place/blog Notes on building location-based experiences. en GPS is a guess, and what that means for a location-based experience https://obelisk.place/blog/gps-accuracy-on-a-walk https://obelisk.place/blog/gps-accuracy-on-a-walk Sun, 23 Aug 2026 12:00:00 GMT A phone's location is not accurate for the first few seconds. Here is why that breaks a geolocated audio experience, and what we do about it. Importing a finished script into a location-based experience https://obelisk.place/blog/importing-a-script https://obelisk.place/blog/importing-a-script Mon, 17 Aug 2026 12:00:00 GMT Paste a whole document and get back a set of geofenced zones with your text in them. How it works, and why the AI never touches a word of it. Letting an AI character decide when to unlock a zone https://obelisk.place/blog/earning-an-unlock https://obelisk.place/blog/earning-an-unlock Tue, 11 Aug 2026 12:00:00 GMT Our first version opened the locked zone as soon as the character replied to anything. Here is what we changed, and why counting messages was not the fix.