Imagine facebook is a spherical magnet with ten thousand small lead balls clung to it. If you&#x27;re trying to create a better magnet it can&#x27;t just be the same as facebook&#x27;s. Putting the same magnet near facebook&#x27;s will only collect a small handful of peripheral users. If you want to capture the critical mass you have to energize a magnet with an attractive force so great that it will begin to vibrate users close to the facebook core and attract them through the empty space between to you.