Why would she text me?

I received a text message from a girl that I used to be crazy for but never went out with. we had occasional contact since summer ended, but yesterday I got a text message from her saying "hey happy thanksgiving! :)" I was surprised that she texted me because I was almost sure that she didn't like me anymore. the odd thing about it is that she said happy thanksgiving to her friends through facebook but she didn't do so with me, instead she sends a text. why is that?
+1 y
oh oops I forgot to say that the text had my name in it. "hey happy thanksgiving 'my name'! :)"
Why would she text me?
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