First-order effects

• Foursquare's public stance puts its own visibility settings — who can see a check-in and when — under immediate scrutiny by every user weighing whether broadcasting their whereabouts is worth the game mechanics.
• The story's pickup by TechCrunch under a headline aimed at the rob-me critics signals mainstream tech press treating check-in safety as a legitimate debate rather than a niche scare.

Second-order effects

• Every rival location product now inherits the same question on its own roadmap: Google Latitude-style services and any future check-in competitor must decide between public-by-default growth and private-by-default reassurance, since one viral burglary story tars the whole category.
• Privacy controls shift from back-end settings to a marketed feature — whichever geo player ships the most credible opt-out story gains an argument against Facebook's looming entry into the space.

Third-order effects

• If check-in services keep growing, location disclosure becomes a structural design decision for the industry: default visibility, home-address masking, and per-check-in audience controls harden into table-stakes rather than options.
• The episode foreshadows the longer arc of consumer geolocation — the same data that powers social play becomes an asset third parties want access to, forcing platforms like Foursquare to institutionalize data governance well beyond a single blog post.