One column, up to 46 To of data.
That’s a lot. If it’s curated data, the best of your pictures, music everything, that’s even more. After ten years of digital life, I’m not even at 1 To of data I want to save “forever”.
The “cloud” Skydrive, Dropbox, Spotify, Flickr and all are convenient and useful but these services are not private (that is, these companies have access to your stuff and have rules about it) and don’t allow you FULL freedom. Which is for personal stuff kind of crazy to me.
I don’t trust hard drives and I don’t like burning optical discs. But they are the cheapest, safest, most private way of saving a lot of data. If you take the time to burn your backups once or twice a year, the probability of losing precious things goes toward zero.