Illustration by Nick Barclay / The VergeTwitch has introduced new policy and moderation updates that aim to help curb s**ual harassment. The streaming platform announced in a blog post that it has made its s**ual harassment policy “easier to understand” by more clearly outlining prohibited conduct. Twitch’s moderation tools will now also allow streamers to more easily filter out inappropriate chat messages.Twitch says the policy itself is “largely unchanged,” but now better defines what the Amazon-owned company considers s**ual harassment — including “non-physical behaviors of a s**ual nature” that would make users feel degraded, uncomfortable, or generally unwelcome on the platform.“We prohibit unwanted comments — including comments made using emojis/emotes — regarding…