; vacancies After its initial meeting, the Commission shall meet upon the call of the Chair or a majority of its members. Nine members of the Commission shall constitute a quorum, and members shall have the option to vote by proxy. Any vacancy in the Commission shall not affect its powers, but shall be filled in the same manner in which the original appointment was made. (g) Study areas The Commission shall, consistent with the purposes specified in subsection (b), analyze existing research that relates to the utilization of online platforms in furtherance of acts of targeted violence, including domestic terrorism and international terrorism, or covert foreign state influence campaigns, identify any areas with respect to which additional research is needed, and study the following: (1) The extent to which owners or operators of online platforms have been able to respond effectively to attempts to use online platforms in furtherance of acts of targeted violence, including domestic terrorism and international terrorism, or covert foreign state influence campaigns, and what impact, if any, such responses have had on the privacy, civil rights, or civil liberties of users. (2) The ways, if any, that online platforms’ algorithms or other automated decision-making systems may impact privacy, civil rights, or civil liberties, as well as how such algorithms may affect activity on online platforms in furtherance of acts of targeted violence, including domestic terrorism and international terrorism, or covert foreign state influence campaigns. (3) The extent to which owners or operators of online platforms have transparent, consistent, and equitable policies and procedures to enforce terms of services or codes of conduct, provide notice and an opportunity for redress, or otherwise address violations of platform rules, including a consideration of best practices for improving online platforms’ policies and procedures, including the recommendations contained in the Santa Clara Principles on Transparency and Accountability in