Facebook CEO Mark Zuckerberg announces the plan to make Facebook more happy at Facebook's Developer Conference on April 30, 2019.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/22882274@N04">Anthony Quintano</a> from Westminster, United States
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/quintanomedia/32830578717/">Mark Zuckerberg F8 2019 Keynote</a>