Quite possible. But How? If so then what? Those may be some of the questions that stood up in your mind by reading the title. Answers follow.
The major drawback of Wi-Fi is that the signal strength depends on the distance from access points. Searching for Wi-Fi hotspots are made easy by many signal detectors. But the main problem still remains.

Why should we stick on to this non trustable network system? Already mobile phones are flying off far higher with better signal strength across the globe. What points out from these is a better networking technology through the already existing mobile network.
This is open to debate as the new idea seems to be very much acceptable. At the same time it cant kill Wi-Fi. It is sure that the Wi-Fi in the current form will not be there for long but may transform to deliver better technology.

What do you think?