Try for YourselfClick through to our demo Facebook page to see how it would work for your Shoppers. Live Demo Try our Live Demo Here are some free ways to convert your shoppers into subscribers on Facebook Messenger and to download your Digital Shopping Centre Membership Card. 1. Ask Facebook Followers to Click a Link Get your Facebook Page visitors to click on a link or the Send Message button. This will open Messenger, convert them into subscribers and allow them to download your Digital Membership Card. 2. Add a QR code to printed Materials Convert Shoppers to your Subscribers using QR Codes. Add QR Codes to flyers, posters, business cards and more.