Yes, some things seem like yesterday and others feel like a million years ago! I have to say that I’ve received more comments here on Medium in the last week than I have for the last few months on my blog.
Things evolve. If they’re negative we should fight them, but syndicating content I’m writing elsewhere to here seems like a positive thing to do.
As for Slack, I think there’s probably going to be a large learning curve for people who count themselves as ‘non-technical’. You might get more joy trying out IFTTT with them first to show ways in which things can be automated?