Twitter is testing a feature that allows users to limit their mentions
One of the great things about Twitter is that you can contact any public user by simply mentioning their username with a @ symbol. One of the worst aspects of Twitter is how easy it is to abuse that feature. However, it appears that the bird network is working on a way to control those mentions. According to Jane Manchun Wong, a privacy researcher, and engineer, the company is testing the ability to block @ mentions entirely or limit them to people who already follow you.