The internet is a great place to search for some kinds of information; Amazon (or L.L. Bean, or Digi-Key, or any retailer, really) do their best to connect you with all the products in their databases, and for lots of other search topics, the usual handful of general purpose search engines can ferret out answers based on your keywords. Addresses are sometimes harder to search, but in the UK at least that might soon be much easier: An anonymous reader writes The London based startup and open data advocacy organization Open Addresses UK wants to change all of that by inviting the public to collect and validate housing addresses to build the biggest UK open address dataset ever. To do so, they launched UK's first open and free address list on Wednesday, calling on individuals and companies to crowdsource information."
What if you want the equivalent of an unlisted number, though?