This is my favorite hack.
The situation: you are trying to access a free wifi network at the airport, in your hotel room, or at a coffee shop like Starbucks.
However, for some reason, the wifi network is not showing up on your iPhone, Android device or laptop.
Here is what you do: type the following into the address bar of your web browser: 1
98.168.1.1
Voilà ! Your missing wifi network should appear