From what I can tell, it's "opt in" in the sense that so long as you're paying really close attention when installing Intel's Driver & Support Assistant, it's t

From what I can tell, it's "opt in" in the sense that so long as you're paying really close attention when installing Intel's Driver & Support Assistant, it's technically possible to avoid accidentally turning it on. (However, it is apparently impossible to to avoid installing it regardless of which options you choose in that installer - hence the FAQ item "If I choose not to participate in the program now, can I join the program later?" that says people with that installed can just turn it on from CIP's control panel entry.)