There are two other thing that have happened in the past few years: • Gchat was effectively deprecated • AIM is gone You might be surprised how many companie

There are two other thing that have happened in the past few years: • Gchat was effectively deprecated • AIM is gone You might be surprised how many companies now use Slack that have NOTHING to do with IT an/or software: everything form PR agencies to manufacturing. I wouldn't be surprised if half of Slacks user base is now people who were using Gchat or AIM. All the major players who offered free chat basically got out, and Slack was kind of the cheapest cross-platform alternative. Even at the end of it's life million of people still used AIM daily for work, and then it suddenly went kaput.