Slack and other virtual newsrooms have some reporters concerned about privacy in an era of embattled journalism that relies on discretion. Slack and other virtual newsrooms have some reporters concerned about privacy in an era of embattled journalism that relies on discretion.Last year, then Gawker Media executive editor John Cook found himself in the unsavory position of explaining in front of a jury why he posted a picture of an uncircumcised penis to his colleagues.