he Marshmallow Challenge is a remarkably fun and instructive design exercise that encourages teams to experience simple but profound lessons in collaboration, innovation and creativity.

Instructional Designer Resources and Community Collaboration

This is W3C's home page for the HTML Activity. Here you will find pointers to our specifications for HTML/XHTML, guidelines on how to use HTML/XHTML to the best effect, and pointers to related work at W3C.