CrowdTangle

CrowdTangle was a social media analytics tool acquired by Facebook November 2016 — provided journalists, researchers, and brands with monitoring tools for tracking content engagement across Facebook, Instagram, Reddit, and other platforms. Critical research tool for studying election misinformation, misleading content spread, and platform behavior. Shut down by Meta August 14, 2024 (~6 months after announcement) — controversial decision criticized by researchers and journalists.