To know about 'intrinsic' value of a consumer tool (like FB or Twitter), I usually ask people - would you pay, say $1 per month to continue using the tool, if t

To know about 'intrinsic' value of a consumer tool (like FB or Twitter), I usually ask people - would you pay, say $1 per month to continue using the tool, if the payment process was very easy and invisible to you. I hear a yes from most FB and Twitter users. That I think speaks very loudly about the value of these two tools.