[Clubber]

Oh, the psychological effects of Facebook I'm certainly not arguing with. I would imagine there are some issues as there are some plusses. I'm not well versed in it because I dropped my account years ago, but my wife uses it to keep in touch with people and groups. Like anything, it depends on how it's used or how much it's used. I was just concerned with the concept of productivity cost as a measurement.

I think the Quality of Life indicator represents what you are talking about.

https://en.wikipedia.org/wiki/Quality_of_life