You can see a list by scrolling through:<p><a href="https:&#x2F;&#x2F;github.com&#x2F;blog" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;blog</a><p>One of the more obvious things is that running a huge, popular app is non-trivial, particularly if your users do things which get e.g. governments to attack your site.