Twitter may have come good on its promise to give everyone (including historically underrepresented communities) a voice, but for African American users, tweeting often comes hand in hand with harassment and negativity. Blitter aims to be a social media escape for Black Twitter.

Online abuse has people choosing not to speak up, and the individuals it’s silencing are often the minorities that most need advocating. With victims of online harassment likely to tune out of the discussion altogether, the need for brands to speak up is stronger than ever.

From taking #nomakeup selfies to signing petitions on political issues, a growing sense of social responsibility and commitment to local community have changed the way people view social action. Is caring about causes the new badge of cool? And has it become ‘chic’ to protest?

The emergence of female-focused dating, transportation and security apps is indicative of the fact that women’s freedom of movement in everyday life is often curtailed by the threat of violence. Yet as these services often don’t increase access to public spaces, what can be done differently?