An interesting programme on Radio 4 yesterday:
"In the early days of the internet, trolls were nothing to fear.
Malicious trolls are now the dominant type across our shared internet spaces, their numbers are rising, and their influence spreading both online and off, causing harm to both individuals and wider society.
Aleks Krotoski explores troll evolution, finding out why maliciousness became an evolutionary advantage in the digital space, and asking what happens when being a troll is becoming the new normal.'
https://www.bbc.co.uk/programmes/m000sqsb