Twitter has launched new hashtag icons for Ramadan and Eid to help 1.5 billion Muslims around the world celebrate the ninth month of the Islamic calendar.

The social network developed the feature after its success with the World Cup national flags, and after research which showed that there were 74.2m tweets around the world about Ramadan last year.

During the World Cup Twitter has allowed football fans to embed a flag emoticon into tweets by using a hashtag followed by a three letter country code. Out of the 32 countries competing in the tournament all have official team Twitter accounts, with the exception of Iran, which has blocked the site since 2009.

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