What other trivial commercial use would there be ? On an other topic there are diseases like food alergies that can only be cured by a specific diet. They can

What other trivial commercial use would there be ? On an other topic there are diseases like food alergies that can only be cured by a specific diet. They can be heavily handicaping but can't be cured by medecines, so don't get any love from pharmatical companies and are ridiculously under-researched. Even though more than 1% of a population can be subjected to this kind of deceases. Why would it be weird or surprising that research in casual communication and social behavior would be primarily targeted at marketing and sales ? >you are a narcissist who thinks we care about how you talk to your friends. I guess they would be right, commenting on a post centered on how people respond to friends.