Invisible Ink is one of the standout features Apple introduced to iMessage back in 2016, part of a suite of message effects designed to make texting feel more expressive. While others like "Slam" and ...

Did you know you could use the juice from a lemon to write a secret message? Materials: Instructions: STEP 1: Squeeze the lemon juice into the plate. STEP 2: Dip the cotton swab into the lemon juice.