This kind of diskless operation dates back to 8088 PC's talking to 286 servers. We had them in college back in 1986 when we were booting DOS 3.3 off of the AT machines. Old news. Lose the server or network and lose your business.
While the security aspects are a big plus, and current network speeds are sufficient, I can see big business adopting these sort of thin client type PCs but possibly not SOHO users whose data security isn't as tight.
But Bob is right, been around in a similar form for years...old news. What does happen when your big shiny storage array goes down. All those thin client are useless paperweights.
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WEll,
I thinks,
1. Thought interface will make image and text transfer to computer more instantaneous
2. laptops will run months on battery without recharge and then maybe self recharging batteries would come
3. Customisable CPUs would reconfigure for task at hand
What U think,
Sunita