C.


</div>

<div class="col2">

<h2>Impact</h2>
  Before, infrastructure deployments could take weeks; now, it is done in a matter of minutes. The number of deployments has increased dramatically, from about 24 a year to over 500 in just the first 10 months of 2017. Availability has also increased: There used to be a six-hour control window for commits every Sunday morning, as well as other periods of general maintenance, during which outages could happen. "Now we have eliminated the planned outage windows