What do you use for personal, offsite backup?
rarrrrrr: I founded SpiderOak in 2006:  Zero-knowledge encrypted offsite backup and sync.It does intensive deduplication across your full data set, keeps historical versions and deleted files for as long as you like and supports all major platforms.  You can use the GUI or cmdline/cron/launchd.2GB free, $10 per 100 GBs up to 1.5 TB, but use the promo code "askhackernews" for a 25% discount, or get a 50% discount automatically with a .edu email address.We have our own data centers and built a clustering file system specifically for archival storage (colder data), which is why our prices are way under companies that outsource to S3, etc.