Udacity is a smaller player but welcome competition to Coursera. I think companies that have on demand learning programs should consider donating a course to these online education players (like SAS Institute for SAS , Revolution Analytics for R, SAP, Oracle for in-memory analytics etc)
Coursera is doing a superb job with huge number of free courses from notable professors. 111 courses!
I am of course partial to the 7 courses that are related to my field-