Unless you&#x27;ve personally memorized all the data in your head, you&#x27;re trusting someone or something. Even if you&#x27;ve printed it all out on acid-free paper and stored it in a bank vault, you&#x27;re trusting the bank, you&#x27;re trusting your paper supplier, you&#x27;re trusting the courier who transports it back and forth. If you&#x27;ve stored it on &quot;your&quot; servers you&#x27;re still trusting your hard drive manufacturer, your RAID firmware, your OS code, your hosting company, your sysadmins.<p>For most values of &quot;I have x hours and y dollars to safely store z gigabytes&quot;, a pure-cloud solution (possibly involving multiple independent cloud providers) has a lower chance of failure than one involving local storage.