Because it isn’t, everyone have sequential thoughts with almost identical “speed”, the difference is that some ppl can focus on their interlocutor and stop their train thought (or fake interest in their conversation), while others can’t

Ah ! The secret is to use every possible way to avoid free thinking during the day, and do it until you fall asleep from exhaustion!

Still have both smartphone and pc (mostly for gaming). I think in the future we will have only a smartphone that will dock to screens (or maybe glasses) and will be connected to cloud computing for intensive purposes.