Conservatives pledge to give web users power to erase online history

Social media users will be able to demand that internet companies delete everything they posted online before the age of 18 under plans to be set out in the Conservative manifesto.Theresa May is placing the new digital safeguards at the heart of her manifesto in the hope of wooing parents who are worried about the dangers of the internet.Social media companies will have to do more to show they are preventing harmful content reaching children, such as introducing new child-friendly apps, if they