To do the baby sign for iPad, swipe your dominant hand above the palm of your non-dominant hand, as if you are scrolling on an IPad.
Another popular ASL sign for iPad -- or tablet in general -- is to take the middle finger of your dominant hand and make a swiping motion with it, as your dominant hand hovers above your non-dominant, upward-facing palm.
We mainly use iPad when we are introducing our toddlers to the benefits of technology as a tool for learning.
The sign for iPad helps your baby convey their interest in new technologies. Once you are ready to share your IPad with your baby, go ahead and teach him or her the sign contextually.