* Wuala (using encryption but somewhat insecure deduplication)
* SpiderOak (using more secure deduplication: https://spideroak.com/blog/20100827150530-why-spideroak-does...)
* Wuala (using encryption but somewhat insecure deduplication)
* SpiderOak (using more secure deduplication: https://spideroak.com/blog/20100827150530-why-spideroak-does...)