The Superdome in New Orleans, venue for today's Super Bowl, has a new WiFi network that's designed to handle 30,000 connections at once, which hopefully should be enough.
Amazon Echo Review: "Alexa, why are you so cool and frustrating at the same time?"
Windows 10 for phones news
Windows 10 for phones
All the latest on Windows 10
Windows 10 promo
The YotaPhone 2 is probably the most interesting phone since the iPhone 3G - Review
All the news from Mobile World Conference 2015