Link to announcement: http://digitaladvertisingalliance.org/blog/cross-device-guidance-daa-principles-enforcement-begins-feb-1-2017?mkt_tok=eyJpIjoiWXpBd05EVTRZakV6TURFNCIsInQiOiJnUElEY2NkOEh5Tmh1Y1RrN0xnQzB5d1lPdWh0eXk3S1lTM3RrZVFmb0E2Q2JDeTM3YTRqUnFCRFdjandVMkJFbXlNa0ZXUDNZV01QaEFScU9IeGt3QlVBR1BBQ3RTS3d5cnhMb3orU3ViWkRDNkxtXC9wSEhVeUVyNzloeWdNRncifQ%3D%3D