And the poor in social capital have to, or at least can easily feel like they have to, jump at attention-devouring social networks because they need every visib

And the poor in social capital have to, or at least can easily feel like they have to, jump at attention-devouring social networks because they need every visibility boost they can get. People who already have a bunch of good connections can relax because they know they're embedded enough in the minds of their friends and colleagues that dropping off Twitter for a week won't be risking missing the one opportunity that they need to break into the next social class up.