I did this math at Eye-Fi, a competitor of sorts to Everpix. What I learned, is the answer to whether to build or buy is the classic: "it depends". The driving

I did this math at Eye-Fi, a competitor of sorts to Everpix. What I learned, is the answer to whether to build or buy is the classic: "it depends". The driving factor? Data retention policy. The one move Amazon made during my analysis that had a huge shift in the calculus was to introduce Glacier. My takeaway, the economics of a lifetime storage offering are very difficult to achieve. Glacier changes the rules by altering the SLA for data access to make the money work out.