In most instances the user has to specifically opt out, and the opt-out option is not clearly or immediately visible.

Is there an opt-out option?

DoubleClick has also been criticized for misleading users by offering an opt-out option that is insufficiently effective.

The other thing that's happening is ISPs who are generally moving towards this are also generally providing an opt-out option.

Researchers compiled a list of 112 businesses that were subject to SB 27 and did not supply an opt-out option that would exempt them from required disclosure.

Surely there has to be an opt-out option - what if your neighbours are criminals, or themselves not in, or just barking mad?

But they are required to provide an opt-out option that would stop all such data collection and prevent the company from using even previously acquired data.

In February 2010 she said she would propose the opt-out option when the filtering legislation goes before caucus.

But those planning to solve the problem must take into account this opt-out option.

Most of those come with an OS and there's no opt-out option.