We often hear about, and this column has written about, employers reacting to the social media postings of their employees. But in the recent case of FDRLST Media v. National Labor Relations Board (NLRB), ___ F.4th ___, 2022 U.S. App. LEXIS 13664 (3d Cir. May 20, 2022), the employer's social media posting, implicating free speech and the National Labor Relations Act, was at issue.