Paraphrased:

1. The value of a network grows exponentially with the addition of new nodes.
(paraphraser unknown, might have been me)

2. The usefulness, or utility, of a network equals the square of the number of users.
(paraphraser Charles Boyd, http://www.mgt.smsu.edu/mgt487/mgtissue/newstrat/)

Y'know, if you log in, you can write something here, or contact authors directly on the site. Create a New User if you don't already have an account.