His argument was more like: "Human are capable of recognizing when an algorithm will halt (or not); computers are not; therefore thought cannot be reduced to computation".
IMHO, the most important feature of SpiderOak is zero-knowledge. No kind of information can be recovered without knowing your password (at least theoretically).
DropBox promises AES encryption, but the keys are actually on the server, and you can notice that by uploading a big file which is already on the server, but on someone else's account (e.g. an Ubuntu ISO): the upload will be almost instantaneous.
With SpiderOak this doesn't happen, since your files are encrypted before the upload with your master key (which is itself encrypted with your password).
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You could try SGPlus. It integrates Facebook and Twitter into Google+.
You could try SGPlus. It embeds both Facebook and Twitter into the Google+ interface.
His argument was more like: "Human are capable of recognizing when an algorithm will halt (or not); computers are not; therefore thought cannot be reduced to computation".
Collatz conjecture. Beat that!
IMHO, the most important feature of SpiderOak is zero-knowledge. No kind of information can be recovered without knowing your password (at least theoretically). DropBox promises AES encryption, but the keys are actually on the server, and you can notice that by uploading a big file which is already on the server, but on someone else's account (e.g. an Ubuntu ISO): the upload will be almost instantaneous. With SpiderOak this doesn't happen, since your files are encrypted before the upload with your master key (which is itself encrypted with your password).