https://www.bleepingcomputer.com/news/microsoft/microsoft-now-uses-windows-10-search-to-promote-bing-searches/

Microsoft has started to display "Learn something new" alerts that promote Bing search categories via the Windows 10 search field.

In a new test seen by BleepingComputer, Microsoft has started to display popups out of the Windows 10 Search field titled 'Learn something new.'