Prime minister makes announcement during speech at the start of London Tech Week The government has highlighted work done by the internet safety firm SafeToNet as showing that the technology is already in place that would allow tech companies to stop children using phones to take naked pictures of themselves, or other people. The Home Office says:Measures to protect children already exist within smartphones and tablets, but are applied inconsistently, often switched off by default and only blurring content rather than blocking it. But the government is working closely with technology companies — some of whom, like Apple, have already