I think this is the biggest factor at play. The field of companies that would consume geo-location didn't grow as fast as people thought. For a period when sim

I think this is the biggest factor at play. The field of companies that would consume geo-location didn't grow as fast as people thought. For a period when simplegeo was funded it seemed like everyone was butting their head against this data layer problem... but the big guys eventually figured it out internally and the small guys moved on to groupon clones and suddenly there wasn't a huge market.