One can argue that multiple pages can weaken your position, but this is not how things work in Facebook: users jump from one page to another without any specific discovery pattern in mind (if you look for a scientific word to describe this behavior and impress your colleagues, try serendipity).

FORBES: Why a Facebook Page is not enough

Already, he says, out of 1.5 million monthly visitors, 350, 000 arrive without following a link through another site, a sign that an audience is building through usage and word of mouth.

FORBES: Magazine Article