Facebook Messenger
Facebook Messenger is a communication platform where you can initiate written, audio, and video conversations. With Facebook Messenger, you can send videos, photos, audio, and files.
With forms.app and Facebook Messenger integrated, a message icon is added to your form. Thus, people who fill out your form or survey can contact you directly.
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Cronofy
Write down important dates with the data you collect from your registration forms.Zapier