ILLUSTRATION BY FIVETHIRTYEIGHT / GETTY Visuals For a particular section of the chronically on-line remaining, it was the equivalent of a blood bathtub. Just a number of times before Xmas, the Slack channels started out to disappear. Then, one by one, customers ended up booted off of the Slack entirely. Like at many contemporary places of work, staff at Data For Development — a remaining-leaning polling company and feel tank — made use of Slack’s chat software program for interior communication. But the Information For Progress Slack was notorious in progressive circles for obtaining many community channels that involved expansive membership outside of the business. And now the channels ended…