Test Creating Effective To-Do Lists: From Paper to Digital

QUESTION 1: What is one of the biggest enemies of productivity and peace of mind, according to the text?

Allows easy sharing of boards with others
Best tool for managing complex projects
Creates a "single source of truth," eliminating the anxiety of searching multiple places
Automatically syncs to the cloud

Choose only paper or only screen, never both
Combine the best of both worlds (e.g., notebook for quick notes, digital for tracking)
Use Google Keep for shopping lists
Centralize everything in a single physical notebook without backups