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But it's literally in every add and presentation...as if it comes with it.

Well put - I can see many non-technical consumers having the retail experience equivalent of "Don't forget you need this $80 HDMI cable with your new TV!"

I think the main concern here is the misleading marketing aspect - as /u/Peter_Venkmen_1 put it:

But it's literally in every add and presentation...as if it comes with it.

Color choices are great, but the marketing and advertising do make it seem like the keyboard is included.

Are there limitations to the resolution or performance if daisy chaining multiple displays?

Awesome, thanks for the specific details, I hadn't thought to account for the different CPUs when asking! :)

Are there any plans at creating offline content bundles for use where internet availability is limited and/or unreliable?

For example, something similar to worldpossible.org's "RACHEL", which bundles educational content from several sources for offline use: http://www.worldpossible.org/rachel/