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· I hope the desktop does not go the way of the cellphone. I like my desktop as an instructor as well as my laptop. I have a 19" screen for my desktop. The cell phone is probably one of the best examples of planned obsolescence. From a former student: "I too recently upgraded my iPhone 4s to the 5s. The only difference that I have noticed is "slightly faster than the 4s, and they have added a biometric security component. (Finger print unlock.) When I upgraded from the 3s, I gave it to one of my daughters to use as a ipod. 4 months after I gave it to her, the battery stopped accepting a charge and it became a paperweight. I now realize why apple will not allow replaceable batteries. If they do, then they lose upgrade revenue. I also had a really cheap friend that took their 3s to see if they could get the battery replace and they found out that it cost as much as a new contract model ($199) to replace the battery. Instead, they bought a Samsung Galaxy S4 instead (replaceable battery of course.)

Putting my business hat on, Apple's policy make sense form a revenue perspective, but I think overtime they realized that this approach also wound up selling more phones by their competitors. Only time will tell whether the non-replaceable battery will continue to be a winning strategy for them. My sense is with the proliferation new categories of phones (Phablet -- Phone/tablet), this will be their Afghanistan. Watching movies on long trips requires a backup battery."