file formats are really important -- every saas app in 2017 would have been a file format in 1996, and this is an underappreciated reason that computers general

file formats are really important -- every saas app in 2017 would have been a file format in 1996, and this is an underappreciated reason that computers generally worked better in 96 vs now file formats, unlike apps, can be declarative. (or pretend to be, but even 'pretend declarative' leads to good tool integrations) of course saas apps have collaboration and messaging, and file formats don't; whoever figures out how to do messaging in semi-declarative formats will be a player in the 'future of web' space