I have considered: 1) Adding a credit card after sign up as part of the flow. 2) Adding a mobile number and verifying via SMS. I don't particularly want to d

I have considered: 1) Adding a credit card after sign up as part of the flow. 2) Adding a mobile number and verifying via SMS. I don't particularly want to do either as it's more friction up front for everyone... but seems like it's where it will lead.