CrashPlan is an online backup online data backup service with a difference. You can use the CrashPlan software for free to send an encrypted backup to a friend’s computer and you never have to buy the CrashPlan service ever. Most people go ahead and purchase the service rather than go through the has of setting this up on a friends computer. The CrashPlan backup service cost $59.99 per year for unlimited data. You can even backup external drives. Crashpl