With the latest version of Google Duo, the video calling service is adding several features that were either officially announced or secretly unearthed, including a new family mode and some timely filters. The most interesting of these additions, however, is the option to make yourself reachable over email , and thus remove the need to share your phone numbers with others to allow them to call you. Upon opening the latest version of Duo, you'll see a banner explaining that you're now reachable by email. When refreshed and synced, all of your contacts who have enabled this option on their end will show up in your Duo list. The benefit, obviously, is you can now reach more people based on their email address, and there's no need to share your phone number with others to let them call you on Duo. You still need that as the first means of identification when creating an account with the service, and you can't hide it or disable calls to it. It's accessible during a video call by tapping the three-dot button on the bottom right, then choosing Family in the pop-up banner. The family mode offers a few effects (similar to the ones in the grown-up interface, but it's a smaller selection) and a doodling screen where you can draw or scribble a message while still keeping an eye on both your and your caller's video feeds. On the other end, the screen is split and the message is shown on a cartoonish white board, below your stream. It's also cute: besides the cap that follows your head around, the rolled up diploma disappears then shows up on the other side and you can have a bit of fun trying to catch it and pretending you're holding it.
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