I think that station announced its winners ages ago via their FB page. I'm assuming they got to meet her on the set of TTWE... That's even if they went at all - I don't think they were hardcore stans & we never really heard what happened. :/
And I don't know why people are bringing up the low-budgetness of the Ke$ha video and passing it off as the fault of the director. If Ke$ha's video was low budget, it was because she was only granted a small budget to work with. It's nothing within the directors control, and quite frankly I think he used the limited resources (assuming they were limited) to his advantage and enhanced the intentional campiness of the whole affair.
In any event, I don't think we have to worry about budget issues with Britney. Throw-away singles aside (the singles from Blackout, "Radar", that sort of thing), the girl doesn't have a cheap moment in her videography. She'll receieve a sizable budget and I'm hopeful that this director will deliver.
Jive is asking the big stations in LA, NY and Miami to put this into power rotation for some sort of phone call or interview. She'll have an explosive first few weeks.