Share Content and EventsTips for Using QR Codes in Physical Mail CampaignsRafael T.ยทJul 30, 2025 08:13 PMยทView in SlackShareOpen with AIHas anyone researched company addresses and done physical mail campaigns using QR codes? The idea is they scan the QR code when they receive your letter, which puts them into a funnel. If so, any tips or advice before I start mine?