Smiling and validation
After I saw this short film, I realized how smiling and validation go hand in hand. In addition, smiling does not cost as much as frowning, in terms of muscle energy. I got inspired and I hope you will too.
Smile, say a good word, and have a nice day.
Test your intelligence
This is an excellent puzzle in MicrosoftExcel sheet that tests your ability to analyze and forecast events to find the solution,