I think I like that the progress that happens actually make sense and makes my life better. Of course there is almost no progress that you can feel I’m this technology over the course of one year but that eInk in gnerell became a think over the course of my life still amaze me everytime I think about it
I’m not an expert in that, But I also came to comment about something like zfs. I’m currently using btrfs and it works great for backup. The idea is that the filesystem itself contains the information what changed as far as I understand. And therefore the send operation are very lightway. As they are so lightway it would probbably be possible to also just do manuel sync(e.g. when you finished working for the day. However I can currently not think of abdirectional way where you have changes at both places and then merge them.