Perhaps all we see outside is a mysterious mask, but underneath the veneer of anonymity transformation is occurring. Being Anonymous is a transition, like a caterpillar before becoming a unique butterfly. In a sense Anonymous phenomena is a movement, a shift in perception. It is a kind of collective rite of passage, where some find the rabbit hole in cyber-space, gradually waking up to a deeper identity.
From Anonymous in Wonderland: The Identity of Anonymity at A World Beyond Borders.