Imagine if you could peek into your users' checking accounts and see what they earn. In a way, you can. A creative new API from big data trailblazer InfoChimps uses IP geolocation to return U.S. Census data, including annual income. There are also updates to the company's Twitter influence and trust data APIs.
When it comes to taxis, most of us assume the fare is going to be a little too much, and we'd probably think twice before jumping into any cab without first knowing how much the trip will cost and if the driver is ripping us off. TaxiFareFinder is a cab fare calculator that helps users to get an estimate on how much their taxi trip will cost from one destination to the next.