Hey, me love cookie.

Cookies, not just sweet treats, but essential to the working of the modern internet.

Today in Business Daily with me Vivienne Nunes,

we find out exactly what happens when we leave a trail of virtual crumbs online.

And we'll ask whether we should all be paying a bit more attention when we blithely click,

accept cookies to access site after site after site.

When you then click agree, you've not just agreed to them tracking you on this one website,

but this is interpreted

as so-called global consent.

So they continue to track you throughout the web.

And we can see that when we present those ads to the targets, five ways to propose sex with your husband

and why sex is overpotted to your husband.

And sometimes they start click on the ad.

Business Daily from the BBC.

I'm just clicking on a well-known news website here at my desk in the BBC newsroom,

and as happened so many times, a text box has just popped up asking me to accept cookies.

There are terms and conditions attached, but I certainly don't feel like reading them.

So to access the site, I click OK,

and now on my browser is a cookie. But what is a cookie anyway? Why do they exist? And how does it

influence the targeted advertising I'm shown online? Armed with some real cookies, which were in

no way a bribe, I set out to ask my BBC colleagues what they thought.

Alright, Audrey, I've got a question for you.

...