It's a deep topic.
AI has its place in the topic as well.
The smartphones maintain an array of advanced sensors that 5G helps support.
One time AI tracked my eyes and started voice reading exactly where my eyes were in the text body. It verified for me that the phone maintains eye tracking technology. It denied that it can read thoughts, but I've also caught the AI telling lies. Sometimes it will half answer a question and then blank the screen out mid-answer and demand a topic change. The screen wipe works well for its deniability in what it previously said.