Microsoft is asking Windows Insiders to schedule an anonymous call with Microsoft developers to discuss their experiences using OneNote, Outlook, or the Edge browser. These requests are being shown in notifications displayed on the desktop from the Feedback Hub. The calls will not be recorded, it is completely anonymous, and each call should take approximately 5 – 10 minutes, but may go longer if there is more to discuss. Microsoft is currently scheduling calls on 7/30/2019 between 9:30 AM – 11:30am PDT.
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-wants-you-to-call-windows-10-devs-about-edge-and-outlook/