The area is now a patchwork of protected and unprotected land, much of it privately owned, including the Concord School District's 15-acre plot behind the high school.

NPR: Soccer Fields Latest Threat to Thoreau's Woods

"They're worried about the Harvard trademark, and they seem to be saying I'm diluting it by allowing some of my materials to be used at Concord Law School, Concord University, " Miller said.

CNN: Do virtual classrooms make the grade?

It starts with after-school educational centers called Score, moves to the core test-prep business, on to Concord University School of Law, the nation's first online law school, and right up through BrassRing, a career development service Kaplan formed with Accel Partners and the Tribune (TRB) Co. last year.

CNN: Kaplan is starting an online college -- minus the keggers

The question came up again at a second even, one at Concord High School.

NPR: Sen. Clinton Takes a New Hampshire Tour

Gore had just got done speaking Tuesday about the escalating violence on television to a group of Concord High School students.

CNN: He also shows more relaxed attitude in several NH stops

Many exist solely in cyberspace, like Concord University, the first online law school, created in 1998.

CNN: Do virtual classrooms make the grade?