Apple makes IDFA opt-in on app-by-app basis in iOS 14 | AppleInsider
Purple Giraffe - We shared back in October last year about Facebooks plans to merge the messenger experience over to Instagram on an opt-in basis. Now users are starting to report the
Opt In vs Opt Out: What's the Difference? | Termly
E-mail verification (double opt-in procedure) with 2 surveys | easyfeedback
Customizing Users' Opt-In and Out Experience with SMS Advanced Opt-Out | Twilio
Set up double opt-in for emails
Opt In vs Opt Out: What's the Difference? | Termly