Depends on who you follow: the ones I do usually post facts (such as showcasing their work or linking to other people's work) rather than opinions, so it's been

Depends on who you follow: the ones I do usually post facts (such as showcasing their work or linking to other people's work) rather than opinions, so it's been a net positive so far. For example, I probably never would have visited CERN or Chernobyl without it.