WHOIS is a protocol, most often used for querying databases that store information about owners of various Internet resources. When WHOIS is combined with WhoAPI it can become a powerful tool. This article explains how to use WHOIS and offers a number of use cases for using WHOIS with the WhoAPI.
Taking pictures on your iPhone gives you a great deal of data embedded in to your photos. Location, camera type, exposure, even camera orientation. But what if you want more. Well, MetaPhoto (currently available on the iPhone) aims to further enrich your photos. Using the Urban Mapping API, MetaPhoto looks up a great deal of information about the area a photo was taken and adds it to the photos header.