Toronto StarFacebook May Incorporate Hashtags, Twitter's Most Annoying And Corporate ...Huffington PostThe Wall Street Journal reports that the social network may adopt Twitter's arguably most tiresome -- and arguably most Corporate -- feature: the hashtag. Facebook is testing the effectiveness of hashtags and is considering adding the categorizing feature to ...Hashtags May Be Coming to FacebookMashableIs Facebook Inc (FB) Copying Twitter with Hashtag Usage?Insider Monkey (blog)all 111 news articles »