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Yes SSDs became much cheaper in recent years but quite a lot of this it because they started out very expensive and competition in the controller market was just picking up. Now controller prices are much lower but the flash tech itself doesn't look all that promising. 25nm is still not really in products because it has so many errors. The shrinks seem to be harder than many think and thus the biggest cost (flash) is not likely to drop in price as much as many expect it to.
If Apple adopt the next best thing a hybrid option for all MBPs and Desktops it might happen sooner but pure flash will probably take a longer than many expect. Especially in the cheaper mainstream notebooks.
 
This cloud thing...thru our benevolent phone carriers, over a jerry-rigged cell tower system? DSL? Cable? Satellite? How? It seems like it may be good on specially wired buildings in certain cities, but for the average person? I just don't see how.

Especially since our storage space needs keep increasing. Terabyte hard drives are now the norm and people are routinely handling file sizes in gigabytes.

First you'd need to have enough storage in the cloud to handle that for every user. You wouldn't appreciate being moved from your 4-bedroom ranch home into a studio apartment and being told "from now on, you're going to live here" -- neither would anyone switch from local storage to the cloud as primary storage space unless it was comparable.

Second, as you said, it has to be accessible from everywhere at a transfer speed fast enough that you wouldn't notice a difference compared to local storage.

I can see it happening for localized areas. Companies, for example, can implement cloud storage and shared applications within their own buildings. I can see that for government offices, schools. But the general public? Not for a long while yet, if ever.
 
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