Is Backblaze backup or cloud storage?
Cloud storage makes your content available everywhere on every device.
This is much better than pure backup which requires a manual retrieval step to gain access to your files.
I love Google Docs because it makes my documents available everywhere. I can view/edit my documents from anywhere. With MP3tunes (my co) I can listen to my music from anywhere. With picasa I can view my photos from everywhere. And youtube handles my videos.