This is the fourth part of our series How to Add Postcode-Based Proximity Search With Open Data. In this article we will show you how to take a geocoded dataset and a postcode, and order the dataset by proximity to the postcode. This is used to find the nearest pub to a user specified location.
Phone geolocation company LocationSmart allowed users to look up the real-time location of any supplied mobile phone number without the need of a password or authentication. API security leaks such as this are all too common but what is worrisome is how LocationSmart got this data to start with.
Google added location insights to its Google My Business API. The feature allows businesses to retrieve a number of searches, views and actions about a specific business location made from Google resources (e.g. Google Search, Google Maps). Developers can aggregate data for actionable insight.