The article introduces a brainteaser set in a busy office where readers are challenged to find an ink spill hidden beneath one of the printers. This optical illusion aims to enhance focus, critical thinking, and cognitive flexibility by requiring sharp observation and attention to detail. The article introduces a brainteaser set in a busy office where readers are challenged to find an ink spill hidden beneath one of the printers. This optical illusion aims to enhance focus, critical thinking, and cognitive flexibility by requiring sharp observation and attention to detail. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle