In contrast, I'm a scientist on Twitter. It's helped my career. It's let me connect with senior colleagues who aren't at my institution, introduced me to sever

In contrast, I'm a scientist on Twitter. It's helped my career. It's let me connect with senior colleagues who aren't at my institution, introduced me to several people I've invited as speakers, and I've written two papers with people I met over Twitter and who I've never met in real life. The key is curation.