The number of devices with high resolution screens is rising, and with it the need for a simple way to deliver crisp, resolution-independent graphics that don’t waste bandwidth. Vector-based graphics, which are compact and scalable, are a great solution.

Icon fonts deliver vector illustrations in an easy format, and there are huge variety of pre-made icon sets to choose from. So, problem solved? Not exactly. They don’t work on a number of important mobile platforms like Opera Mini (used by 200+ million users worldwide!) and Windows Phone 7.0-7.8 (with 4 million users).

Filament Group.