Each week Joshua Fruhlinger contributes This is the Modem World, a column dedicated to exploring the culture of consumer technology. When I departed for my three-week honeymoon, I informed all my colleagues that I would be off the grid: unavailable, unreachable, without access, etc. In truth, I was in airplane mode scanning for WiFi networks several times a day, checking in on East Coast friends dealing with Hurricane Sandy. Side note: I was doing so from poolside chairs while the new wife was asleep a
