As an amazing validation of the grassroots response to SOPA, led by groups like Fight for the Future, EFF, Public Knowledge, and Demand Progress, they write, “Since the mark-up, we have increasingly heard from a large number of constituents and other stakeholders with vocal concerns about possible unintended consequences of the proposed legislation, including breaches in cybersecurity, damaging the integrity of the Internet, costly and burdensome litigation, and dilution of First Amendment rights.”