I'm surprised the ad doesnt also contain a QR code of some kind. It's interesting to see the phone number url. A trade off between memorability and ease of ent

I'm surprised the ad doesnt also contain a QR code of some kind. It's interesting to see the phone number url. A trade off between memorability and ease of entry. Looks similar to the approach I'm taking with Mobile Open ID where instead of user/email/password I have phone number and pin code.