Social media is relatively new and has really gone mainstream within the last decade. Also, you could argue most social media are partly government-built since

Social media is relatively new and has really gone mainstream within the last decade. Also, you could argue most social media are partly government-built since silicon valley was created by the government. The real question is why we don't have a government email service? Imagine how great it would be if the post office had an email service for your official correspondence. Email is many decades old and still nothing.