However, they have the right to opt out, and opt-out rates currently average 9% (pdf).
But the deal also gave each side the right to opt out in November 2008.
It is the first time that Google is giving consumers the right to opt out in advance.
It has four years left to run, though he has the right to opt out with a year's notice.
But because of a court decision in the early 1990s, some form of parental notification and the right to opt out is required at school.
Children have a constitutional right to opt out, but a refusal is so fraught with social risk that it is not a real alternative for most.
The most interesting idea to emerge recently is to give state legislatures the right to "opt out" of the new Federal public plan option.
"They felt like South Carolina freely went into the union, and had the right to opt out, like an independent country.
The rules also give customers the right to opt out at any point and forbids the banks from discriminating against those who do not join the program.
However, the review also acknowledged that there needed to be "improvements to communication with patients which reinforce their right to opt out".
But those are not exclusive agreements, and Cox and Comcast will have the right to opt out beginning next year.
