Ask HN: How is iO9 annotating .jpgs as comments?

1 points by spacestation 13 years ago · 0 comments · 1 min read

I've played with Thinglink and Stipple, but how does iO9 have annotations that link as comments?

http://io9.com/this-is-not-an-error-in-your-map-app-it-is-a-real-ro-510778682