The use of non-disclosure agreements has been under scrutiny ever since the birth of the #MeToo movement, but the spotlight has intensified this week as a campaign seeking to limit their use gathers pace.

The campaign, launched by Zelda Perkins – a former assistant to disgraced movie producer Harvey Weinstein – and Canadian law professor Julie Macfarlane, has now received backing from U.K. MP, Maria Miller, who labelled NDAs “catastrophically damaging” and “immoral”.