Virtual private networks (VPNs) are not just for individuals trying to get around geo-restrictions. Companies may also use them to streamline their online connections. However, a managing director for a UK IT and networking company thinks an emerging alternative is about to make these VPNs obsolete.
https://www.notebookcheck.net/VPNs-for-business-may-not-have-much-time-according-to-cloud-services-exec.324210.0.html
SD-WAN can be pretty cheap and fast in a rollout, but MPLS still provides a better quality of service for critical applications, so I don't think it will disappear anytime soon.