All assumptions are not correct until they have been tested and approved

 

That's how figures from direct email marketing sometimes look like.

 It's all about users and products, things only start when you create something useful for those around you.
So ask people about everyday business problems. Exit the building, perhaps via video conference, telephone or VR chat, but leave the building. It's so simple in real life, but hard to understand. All assumptions are not correct until they have been tested and approved.