To really foster grassroots educational change, Burell believes it's critical to bring a wider audience of teachers into the online conversations. He says those speaking most often in the blogosphere tend to be edtech proponents rather than core content teachers. "Some teachers still have no idea how powerful these Web 2.0 tools can be for students," Burell says. He's making it a personal goal to bring more core content teachers into the dialogue and engage them in collaborative projects.