You don't know people

Evan Solomon | Automattic@evansolomon

You don’t know people

TryMeasureProfit!

Pick oneAt least until we have

lots of data

Rat pelts & cobras

Previews up 10%

http://theme.wordpress.com/themes/

OptimizelyFast & Flexible

The (abridged) plugin

wp_enqueue_script('optimizely', $this->url);

wp_localize_script( 'optimizely','wpcom_optimizely', array( $experiment->slug => true )

);

gist.github/1275892

jQuery (".post-812").find("h2 > a").html("Nacin fights Koop");

The change

jQuery(".post-812").find("h2 > a").live("mousedown",function() {window.optimizely.push(["trackEvent", "a_click"]

);});

The goal

optimizely_experiment("nancin_coding_title', array("action" => "init","logged_out_users" => true

) );

The test

<script>var wpcom_optimizely ={"nacin_coding_title":true};</script><script src='http://cdn.optimizely.com/js/123.js?ver=1316379297'></script>

The browser

The target

isvalid.orgConfidence intervalSignificance test

github/evansolomon/isvalid.org

Question everything

&Design for 0% failure

@evansolomonhttp://slideshare.net/evansolomon/you-dont-know-people/