[troebr]

At my company we've used for a few years each: Hangout, Bluejeans, and Zoom. We got acquired so now we're also using Skype and Teams alongside Zoom. Zoom didn't really invent anything groundbreaking, they did the same thing but with a better execution, it's more pleasant to use.

Similarly, we used Hipchat before Slack, and now we have Teams and Slack. Slack serves the same purpose, but it's more pleasant to use than the other two.

Neither Slack nor Zoom were groundbreaking products, and they had significant competition. They both do the same thing as their competitors, and you could argue the difference isn't crazy, but the user experience improvements are enough to justify switching products.

I guess I'm just confirming that I had a similar experience to yours.