These assertions are just not true. I'm working right now on a document with coworkers, concurrently, via a Sharepoint server. Change tracking is enabled and can even be enabled by default by the Sharepoint admin.
I share a lot of your sentiment about open formats in previous comments, but this is classic FUD and demonstrably wrong.
I share a lot of your sentiment about open formats in previous comments, but this is classic FUD and demonstrably wrong.