By James Clayton
North America technology reporter
Both Trump and Biden want to take away the US law that protects platforms from being liable for what their users post.
Why our digital life means political campaigners target us in ways we might not realise.
By Angus Crawford
By James Waterhouse and Kirsty Grant
BBC Victoria Derbyshire programme
By Gurvinder Gill and Levi Jouavel
By Joe Tidy
Cyber security reporter, BBC News
Croydon South’s MP Chris Philp has successfully managed to get an American-based internet giant to release information which could prove vitally important in a police investigation into “sick” harassment and threats made online against the family of a teenaged murder victim.