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Causality allows your cause, charity, or nonprofit to promote your campaign using Twibbon-style image overlays
Causality allows you to set up a series of image overlays. Supporters on your site can easily add an overlay to their profile 
picture on social networks, promoting your cause.
<h3>Adding Facebook integration</h3>
<ol>
<li>Go to the <a href="https://developers.facebook.com/apps" rel="nofollow ugc">Facebook Developers page</a> and choose “Add a new app“</li>
<li>The Display Name should be the name of your website or organisation – it will be shown to supporters when it asks for their authorisation.</li>
<li>Choose a category, this doesn’t matter too much.</li>
<li>Click Create App ID.</li>
<li>Click Get Started for Facebook Login.</li>
<li>Click Save Changes at the bottom right.</li>
<li>Click Settings at the top right. Enter your website’s domain under “App Domains” (e.g. amnesty.org.au)</li>
<li>Click Add Platform at the bottom of this page, and choose “Website”. Enter your website under Site URL (e.g. http://amnesty.org.au)</li>
<li>Copy the “Application ID” shown at the top left. Enter this into your Causality settings.</li>
<li>Click Save Changes.</li>
<li>Finally, click “App Review” at the top left, and toggle the “Make YourApp Public” box to be “Yes”.</li>
</ol>

Causality

Causality allows your cause, charity, or nonprofit to promote your campaign using Twibbon-style image overlays

Causality vs Professional Social Sharing Buttons, Icons & Related Posts – Shareaholic