After the pop culture blog Elite Daily launched #IfIWereABoy to discuss sexism and gender roles, the hashtag was subsequently by activists speaking out against the practice of male circumcision.

In light of the recent fatal police shooting of Mike Brown, an unarmed teenager from St. Louis, Missouri, a new hashtag-based photo fad has emerged on Black Twitter that takes a satirical jab at the stereotypical portrayal of the victims of deadly racial profiling cases in the U.S. news media.

In recent weeks, dudes on Twitter and Instagram have been posting parodies of "makeup transformation" selfies that show their faces progressively turning into celebrity doppelgängers through the magic of cosmetics.

The latest feminist hashtag campaign has sparked debate over whether the selfies it has circulated are posted in jest or to truly prove there are attractive feminists.

Plus-sized women proud of their bodies have been posting photographs of themselves in two-piece bathing suits along with the hashtag #Fatkini to promote fat acceptance on Instagram and Tumblr.