Google partners with Three to boost Project Fi roaming

US internet giant Google continues to add cellular features to its Project Fi MVNO, which was focused more on wifi connectivity when it was launched.
Project Fi was originally positioned as a wifi-focused MVNO, with the cellular component only coming into play when the subscriber was outside wifi coverage. It is distinctive in that it uses multiple networks – launching with T-Mobile US and Sprint – and claims to dynamically switch between them to offer the best coverage.
Google recen