Apple is making a huge change to settings on users’ iPhones in the name of privacy, and it will fundamentally change the way apps track your data in order to create targeted ads. But many in the mobile ad ecosystem have said that Apple hasn’t given them clear guidance or communication along the way as they retool their apps to comply with the new rules related to the tracking systems known as Identifier for Advertisers (IDFA).
Link: Apple’s seismic change to the mobile ad industry is drawing near, and it’s rocking the ecosystem
via http://www.cnbc.com