Evolution of the internet: Celebrating 50 years since Arpanet

Arpanet carried its first message on October 29, 1969, laying the foundation for today’s networked world. Fifty years later, more than 4 billion people have internet access, and the number of devices connected to IP networks is more than double the global population. Follow the link to a look at some key milestones in the history of the internet and projections for its future growth.