We all know she won't promote much. At this point, I don't understand why fans get disappointed when there's no major promotional campaign. Britney's past that now. Quite frankly, with all the mediums of promotion that are available on the internet alone, she doesn't even have to leave her house.
I mean, we all love a nice promo performance here and there, but if we don't get it, I won't complain. I'm more concerned with her label or management using these online promotional tactics to their advantage! That's what matters the most, really.
So, I wouldn't worry that there's no MAJOR hype yet. This lead single will probably come out of nowhere, too, and if the fans like and it and the GP reacts well to it, we'll see that hype machine rolling before we know it. 
