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Everyone has few pet passwords they use in rotation in all the online presence. There’s a chance that after your password change on an application, the next time you might enter the old password due to inertia. When you do this on Facebook, it does a good job in reminding you with concrete details. Check out the informative error message:


This is 100% in accordance with the Jakob Nielsen’s Heuristic: Help users recognize, diagnose, and recover from errors. Well done, Facebook.

Vishal Mehta

Vishal Mehta

Vishal Mehta is a UX professional, hands-on designer and coder. He is a consultant to product companies in San Francisco Bay Area. He loves to play chess and design solutions in spare time. He ran a UX company, IDYeah Creations for six years in India. His expressions can be found on popular platforms like UX Booth, Technorati and SAP Community Network.

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