<p><pre><code>  The networks we use can and do vet
  the ads before serving them.
</code></pre>
You <i>know</i> this for <i>every</i> ad for <i>each</i> network... exactly <i>how</i>?<p>If they failed in this duty, would you be informed?<p>Do they have a duty-to-defend clause in your agreement with them such that if you are sued for serving malware in your app, the network will pay all costs for your defense and all necessary restitution?<p>There&#x27;s a sour &quot;we were only following orders&quot; flavor to such an indifferent stance.