The firm said users can no longer engage in "sustained and needless" abusive behaviour towards the tech.

The AI firm instead claims the researchers were fired for mishandling sensitive information.

Firmus said it had made the decision due to "recent market volatility and prevailing market conditions".

Meredith Whittaker says the tech has been misunderstood, in an exclusive interview with BBC Global Women.

Solar tiles were touted as an attractive alternative to solar panels - why have they not taken off?

An international visa programme has for years allowed US tech companies to hire highly skilled workers from abroad.