The following is adapted from a blog post at aclu.org:

On  November 4, in a hushed courtroom in Washington, D.C., not far from the now-empty halls of Congress, a federal appeals court heard arguments in Klayman v. Obama, a challenge to the NSA's bulk collection of telephone metadata first revealed by Edward Snowden. If you have ever made a phone call, or received a phone call, this case has implications for your personal privacy and you should pay close attention to what happens next.

Read the entire blog post by Rachel Nusbaum, media strategist at the ACLU Washington Legislative Office.