Twitter has posted record revenues for the last quarter of 2020, capping off what chief executive Jack Dorsey said was "an extraordinary year" for the platform. The social messaging platform said revenue grew 28% to $1.29bn (£930m) compared to the last quarter of 2019. See full story here: https://www.bbc.co.uk/news/business-55993097 Instagram is to impose stricter penalties,…