Is that a recent thing? Or only in the US? Age related? Size of the company? The level of personal communication I've witnessed over such tools is pretty superf

Is that a recent thing? Or only in the US? Age related? Size of the company? The level of personal communication I've witnessed over such tools is pretty superficial, casual. But perhaps that's just my age, location, or the fact that the last time I worked for a large company, Skype was still new.