Try looking at the source of Google.com and saying all it&#x27;s doing in under a minute.<p>You could look at the APIs it&#x27;s using - why is it calling XMLHttpRequest or looking at the user&#x27;s cookies? - but you can do the same with binaries, you just have to use a tool, e.g. &#x27;nm -D &lt;binary&gt;&#x27; shows you the external functions the program calls.<p>I held the same position until circa 2008 (?), when JS minifying became truly widespread; nowadays, I think that battle is already lost.