This document discusses various Web 2.0 tools that can be used in education to promote the 4 C's: creativity, critical thinking, communication, and collaboration. It provides a list of over 40 websites and applications that meet criteria like being free, easy to use, engaging for a range of ages, and allowing for sharing. Examples mentioned include Animoto for creating videos, Skype for connecting with experts, and Padlet for interactive bulletin boards. The document encourages exploring these tools and finding ways to incorporate them into lesson plans.