I tend to look at potential investments from the standpoint of whether it is a valuable contribution to society.
There are two kinds of researchers : those that have implemented something and those that have not. The latter will tell you that there are 142 ways of doing things and that there isn't consensus on which is best.The former will simply tell you that 141 of them don't work.
These people who build houses with 13 bathrooms and so on, there's something wrong with them.
I am a believer in Adam Smith, who says that if you look at something that really contributes value to society, and you can deliver it at a reasonable price, then society will recognise that at some point because rational behaviour will come into play.
I must admit that I don't really understand social networking models that well, and I haven't tried to because I have just not been enthused about this whole thing.
