One thing that's changed since 2008: most routers used to be factory-preset to be wide open, or have silly default passwords (netgear etc), so networks were ope

One thing that's changed since 2008: most routers used to be factory-preset to be wide open, or have silly default passwords (netgear etc), so networks were open by default. Now it's more the exception than the rule to default to lengthy random hex strings, and it takes work and skill to make them open.