In recent mass protests such as the Arab Spring and Occupy movements, protesters used social media to spread awareness, coordinate, and mobilize support. Social media-assisted collective action has attracted much attention from journalists, political observers, and researchers of various...

Natural history depicts evidence of the dynamics of evolution, while fossil records permit the examination of change over time. Such records inform us also that change is never easy and does not occur without casualties. It seems that parallel observations may be advanced as the Internet and...