In early 2017, journalists like Sarah Jeong[13] distinguished Mastodon from Twitter for its approach to combating harassment, one of Twitter's largest issues.[dubious ][10] Mastodon uses community-based moderation, in which each server can limit, or filter out undesirable types of content. For example, mastodon.social and several other servers ban content that is illegal in Germany or France, including Nazi symbolism, Holocaust denial and discrimination. Servers can also choose to limit, or filter out messages with disparaging content.