Synthesized answer
The author's book, "Networks Of Outrage And Hope: Social Movements In The Internet Age," explores new forms of social movements and protests occurring globally [1]. It specifically mentions examples such as the Arab uprisings, the indignadas movement in Spain, and the Occupy Wall Street movement in the U.S. [1].
The core evidence provided by the author is the common thread shared by these diverse social movements: their inextricable connection to autonomous communication networks facilitated by the Internet and wireless communication [1]. This shared characteristic serves as the author's primary observation regarding the nature of these contemporary movements.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Networks Of Outrage And Hope Social Movements In The Internet Age by Manuel Castells Description: "This book is an exploration of the new forms of social movements and protests that are erupting in the world today, from the Arab uprisings to the indignadas movement in Spain, and the Occupy Wall Street movement in the U.S. While these and similar social movements differ in many important ways, there is one thing they share in common: they are all interwoven inextricably with the creation of autonomous communication networks supported by the Internet and wireless communication."--Page 4…