hashtag

Meanings

Noun

• A metadata tag, signaled by a preceding hash sign (#), used to label content.
• The hash sign itself, when used as part of a hashtag.

Verb

• To label (a message) with a hashtag.

Origin

• From earlier hash tag, from hash + tag. The hash sign (#) was initially proposed as tag hash by Chris Messina to create groups on Twitter
• {{cite-web
• |author=Chris Messina
• |date=Aug 23 2007
• |work=Twitter
• |url=https://twitter.com/chrismessina/status/223115412
• |passage=how do you feel about using # (pound) for groups. As in #barcamp [msg]?
• {{cite-web
• |author = Chris Messina
• |date = Aug 25 2007
• |title = Groups for Twitter; or A Proposal for Twitter Tag Channels
• |work = factoryjoe.com
• |url = http://factoryjoe.com/blog/2007/08/25/groups-for-twitter-or-a-proposal-for-twitter-tag-channels/
• |archiveurl = https://web.archive.org/web/20071012011500/http://factoryjoe.com/blog/2007/08/25/groups-for-twitter-or-a-proposal-for-twitter-tag-channels/
• |archivedate = 12 October 2007
• |accessdate = 23 August 2017
• , modeled after the IRC channel prefix. First published use as hash tag by Stowe Boyd in 2007{{cite-web
• |author=Stowe Boyd
• |url=http://stoweboyd.com/post/39877198249/hash-tags-twitter-groupings
• |title=Hash Tags = Twitter Groupings
• |work=stoweboyd.com
• |date=Aug 26 2007
• .