Invisible ink allows you to have a message with a big reveal — by sending a blank message that can only be read by swiping across the screen.Thankyou for telling us about such an amazing features , i really don't know about it before and welcome back you posted after a long time.
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Thank you for enlightening us more sir, indeed we have been carrying a great device and literally had no idea what it was capable of doing, now de security officers can find a new way of makinh their job less stressful. Thanks @swissclive and @markzuckerbergs