Cookies information:

Full details can be found on our Cookie Policy. When you visit the Service, we may send one or more cookies — a small text file containing a string of alphanumeric characters — to your computer that uniquely identifies your browser and lets wikiHow help you log in faster and enhance your navigation through the site. A cookie may also convey information to us about how you use the Service (e.g., the pages you view, the links you click and other actions you take on the Service), and allow us or our business partners to track your usage of the Service over time. A persistent cookie remains on your hard drive after you close your browser. Persistent cookies may be used by your browser on subsequent visits to the site. Persistent cookies can be removed by following your web browser’s directions. A session cookie is temporary and disappears after you close your browser. You can reset your web browser to refuse all cookies or to indicate when a cookie is being sent. However, some features of the Service may not function properly if the ability to accept cookies is disabled. Full details can be found on our Cookie Policy.

You can opt out from certain ads here https://www.google.com/settings/u/0/ads/authenticated