How to run iPhone apps on the new, upcoming generation of Mac computers, or using an emulator app

You can't run iPhone apps on a Mac computer without an emulator, though that will change with a new set of Macs, coming out by the end of 2020.

How to go live on Twitter to stream audio or video content with your followers in real time

You can go live on Twitter to livestream audio or video with your followers using the Twitter mobile app.