Modernizr/Modernizr — comment on commit 23d57f13416293cea7d7aea42ce28c402667dfd4
File:  line 0
By vladikoff:

Yeap! Tested in the PlayBook browser using the emulator, they are using the http://www.w3.org/TR/2011/WD-netinfo-api-20110607/ spec. So the polyfill needs to adjusted a bit.