My impression was that he wasn't under oath for the hearing. Honestly, for the level of technical complexity they are discussing (often in very non-specific and

My impression was that he wasn't under oath for the hearing. Honestly, for the level of technical complexity they are discussing (often in very non-specific and general terms), I don't think they'd be able to have a conversation at all if every statement Zuck made had to be legally bulletproof.