Google vs. Bing

I guess this is a bit narcissistic, but I've noticed I'm the top result in a Google search but the seventh in a Bing search. I wonder what this means? How can I get Bing to notice me more?

30 years of LucasFilm Christmas cards

I so wish I could receive one of these.

What I'd like for Christmas...

This book, please. I'd be more than happy.