ActivityPub or a successor protocol will eclipse everything else on a slow but attainable timeframe. We won't notice it really until it hits a certain tipping

ActivityPub or a successor protocol will eclipse everything else on a slow but attainable timeframe. We won't notice it really until it hits a certain tipping point, which will look a lot when interoperable email started to take off (mid-1990s or so) an aside but does anyone else remember when everyone was telling you their AOL Keyword?