Photos: 20 of the world's most connected, innovative cities

1. Seoul, South Korea

One of the largest metro areas in South Korea, Seoul has almost ubiquitous Wi-Fi, media poles, and smart transportation. City commuters use RFID cards for public transportation that calculate and charge for exact distance.

Image: iStockphoto/SeanPavonePhoto

By Conner Forrest

Conner Forrest is an analyst for 451 Research. He was formerly a Senior Editor for TechRepublic.