One thing’s for sure, just about everyone, animals included, loves to take self-portraits for Facebook or other social networks. They include cats, dogs, and even sloths. On a random note, here’s one thing you may not know about Facebook: Facebook is both a consumer of and contributor to free and open source software, and their contributions include: HipHop for PHP, Fair scheduler in Apache Hadoop, Apache Hive, Apache Cassandra, and the Open Compute Project. Continue reading to see more.


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