The Future of Public Wi Fi: NYCs Hotspots Tested

Like New York City s phoneboothsturnedhotspots, public WiFi is getting faster and more widespread. The WSJ s Joanna Stern tells you what you need to know before logging on. Photo, video: Drew Evans, The Wall Street Journal. Subscribe to the WSJ channel here: More from the Wall Street Journal: Visit Follow WSJ on Facebook: Follow WSJ on Google+: Follow WSJ on Twitter: