I bet the Federal Reserve still uses old mainframes.<p>Edit: Not sure why I am being down-voted. A lot of banks still use mainframes:<p><a href="http:&#x2F;&#x2F;mainframes.wikidot.com&#x2F;" rel="nofollow">http:&#x2F;&#x2F;mainframes.wikidot.com&#x2F;</a><p><a href="http:&#x2F;&#x2F;www.networkworld.com&#x2F;article&#x2F;2916081&#x2F;network-management&#x2F;big-iron-and-banking-why-all-major-banks-rely-on-mainframes-and-are-growing-their-use-of-mainframes.html" rel="nofollow">http:&#x2F;&#x2F;www.networkworld.com&#x2F;article&#x2F;2916081&#x2F;network-manageme...</a>