Policy heads from Facebook, YouTube, and Twitter will testify at House Judiciary Committee hearing on July 17 about social media content moderation practices (Chloe Aiello/CNBC)

Chloe Aiello / CNBC:
Policy heads from Facebook, YouTube, and Twitter will testify at House Judiciary Committee hearing on July 17 about social media content moderation practices  —  – Representatives from Facebook, Twitter and Google parent company Alphabet will testify at a House Judiciary Committee hearing …