most movements are not organizations
and thus not able to make conscious decisions about their direction. Usually
they consist of numerous core groups and a large penumbra of sympathizers.
Nonetheless, these core groups serve as the foci of a movement's values
and activities and determine much of its deliberate policy
New social media have become increasingly popular components of our everyday lives in today’s globalizing society. They provide a context where people across the world cancommunicate, exchange messages, share knowledge, and interact with each other regardless of the distance that separates them