can I use windows 8 font （Segoe UI）for my web app?
fonts, web, windows-8
Solution
Segoe UI requires a license if you want to include it as a web font for commercial use in a site. Consider a font such as Open Sans as a free alternative or purchase the license. http://www.fontsquirrel.com/fonts/open-sans
Problem
plus, how to know whether I can use any font for app development purpose? I mean develop app for commercial use, like develop app for client. any free font website to recommend?