> Availability has a cost. That cost is complexity. It seems that Dropbox's system is complex enough but still isn't as designed to be highly available (5x9s)

> Availability has a cost. That cost is complexity. It seems that Dropbox's system is complex enough but still isn't as designed to be highly available (5x9s) as a well architected system on AWS using S3. Yet It is surprising a public billion dollar company like Dropbox cannot go beyond this for their mission critical customers (govt agencies, healthcare, military, etc) willing to spend hundreds of millions. So yes, I expected way better.