Hi, I'm a newcomer to AE - this is my first AE project. I want to be able to animate the bounding box of paragraph text - change its size, so the text inside changes its wrapping dynamically. I've searched in AE and all over forums but I can't even find anyone trying to do the same thing!
It's an interesting idea which can be achieved but you'll need access into the Source Text property with some Expressions OR simply keyframing the Source Text property. It really depends on the actual result you're after.
AE's Text Tool doesn't provide for direct manipulation of the bounding box such that it affects the way text wraps around it.
BTW, please use the COW's AE Basic Forum should you have questions that pertain to basic usage of AE.