The feminist campaigner who received abuse on Twitter said she was "hugely relieved" that defendants John Nimmo and Isabella Sorley have pleaded guilty.
Caroline Criado-Perez tweeted: "This is not a joyful day, these two abusers reflect a small drop in the ocean, both in terms of the abuse I received across July and August, but also in terms of the abuse that other women receive online.
Feminist campaigner Caroline Criado-Perez "suffered life-changing psychological effects" from the abuse she received on Twitter following her successful campaign to get a woman on British banknotes, a court heard.
Prosecutor Alison Morgan told Westminster Magistrates' Court, "In particular, the menacing nature of the tweets sent by both defendants caused her significant fear that they would find her and carry out their threats."
Ms Criado-Perez received abusive messages "of one type or another" from some 86 Twitter accounts, including those accounts attributed to defendants John Nimmo and Isabella Sorley.
Nimmo and Sorley have pleaded guilty to sending "menacing" tweets to Ms Criado-Perez.
John Nimmo, 25, from South Shields and Isabella Sorley, 23, from Newcastle-upon-Tyne, pleaded guilty today at Westminster Magistrates' Court to sending "menacing" tweets to feminist campaigner Caroline Criado-Perez.
We've been campaigning for years now and that's behind the frustration that there's no action and the onus is on the victim to act.
In some cases of online abuse, like that of US feminist blogger Anita Sarkeesian who was sent death threats, there is evidence of accounts that sent them are active. Why do people feel they have the right to send death threats?
This isn't just a case of women not being able to hack it on the internet, like we're lily-livered victims. These threats are intended to undermine and intimidate you and that is a freedom of speech issue itself.