THETIMES.CO.UK - June 25 - "I think #MeToo was a turning point for dating apps, making them react to help women feel safer online," says Clémentine Lalande, the co-chief executive of Once, an app that matches users with a single suitor each day. Last month, Bumble wrote an open letter to a college swimmer after he sent a female user abusive messages. The open letters serve as a warning to people joining the app that this behaviour won't be tolerated. Tinder is considering adding a Bumble-like feature so women need only interact with men they have messaged first. Bumble is considering allowing its female users to put an initial instead of their name to protect their identities. Meanwhile Once has introduced a five-star rating system. Women can "review" men, rating conversations, offering post-date analysis and giving a verdict on the accuracy of photos. It's not just the apps: women themselves are using technology to hit back in innovative ways. The artist Anna Gensler makes naked sketches of men who have sent her crude messages, then sends them to the men and posts them on Instagram. The blogger Samantha Mawdsley replied to an unsolicited penis pic with a catalogue of photos of male genitalia.