“You’ve got to see this,” said my friend and colleague Don as he slid one of the most engaging pieces of direct mail that I’ve seen in a long time across the table … Hear my quick take in the video above. Here is the PURL (Personalized URL) used in the campaign – www.AcceptTheInvitation.com/DonaldCarstensen. An interesting takeaway? With campaigns like this, direct snail mail is almost becoming a boutique media for very small personal campaigns.