What should Microsoft do with all its various to-do apps?

[Windows Central]

Microsoft has multiple tasks apps. The question is... why?
Microsoft is a company that often suffers from diffuse focus. Few situations exemplify that better than Microsoft's weird task apps conundrum.
Across Cortana, the Microsoft Launcher, Wunderlist, and Microsoft To-Do, Redmond has four separate services potentially for creating To-Do lists and tasks. Even more if you consider tasks lists you can create in Outlook and beyond.
Each of these services has different levels of integration with other Microsoft products, creating a frustrating mess for users. "Which tasks app should I use?" And so on.
We'd like to hear your thoughts on what Microsoft should do with these apps.

Full story from the WindowsCentral blog...