Just got a brochure from Spark that says, because I have a no-cap broadband plan, I can have Lightbox for free.

I guess a lot of you got the offer, too.

My question: Is there ANY cost at all associated with this 'free' offer? Because if there is, I don't want it. My present arrangements are fine.

I'd ask Spark, but probably won't get a straight answer. Especially if there are any disadvantages :-)