Apple's Advertising Identifier: what it means for publishers and users
Guest article by Christian Ruck | May 22, 2013
Last autumn, without much fanfare, along with the launch of iOS6, Apple quietly introduced a new identification technology called Identifier for Advertising. IDFA, or IFA, as it is often referred to, is a combination of characters that uniquely identifies a mobile device that runs iOS6 or above that lets advertisers recognize consumers anonymously.