-Stickers can be placed on iMessages or sent by themselves.
-To resize stickers, pinch in or out to change sizes.
-Stickers can also be rotated by moving your fingers clockwise or counterclockwise before placing.
-Before placing stickers, check to see if they cover your iMessages before releasing.
-When using stickers for cross-platform texts, be aware that the stickers might appear differently to the receiver.