The ProtonMail people are accusing Microsoft's new Outlook for Windows app of conducting extensive surveillance on its users. It shares data with advertisers, a lot of data:
> The window informs users that Microsoft and those 801 third parties use their data for a number of purposes, including to:
>
> * Store and/or access information on the user's device
> * Develop and improve products
> * Personalize ads and content
> * Measure ads and content
> * Derive audience insights
> * Obtain precise geolocation data
> * Identify users through device scanning