good points diluted with hyperbole; a couple of examples:

mobile me users had over a year’s notice and then could retrieve data for a month past the shutdown – whatever wasn’t automatically moved to iCloud (assuming one signed up)

almost all music downloads are now drm free – and fairly easy to move; it’s Hollywood (and congress) you should blame for the drm which effectively silos video

yes, i feel the attraction to a fully open “single” ecosystem, but as Darwin observed, some isolation encourages evolution

rather than complete interop how about something as simple as all your data in silo X are available in RSS feeds so that silos Y and Z can slurp them with minimal effort when you wish?