The conversation between human and AI assistant.
What are the best video calling apps for Android at present with the lowest data usage?
That sounds perfect for my needs. What features does Google Duo offer?
Google Duo is a simple yet high-quality video calling app that allows you to call anyone with a phone number or email address. It also has a unique feature called Knock Knock, which lets you see a live video preview of the caller before you answer the call.