Is OK to ask girl out via text message or IM?

Anonymous
We never called each other yet and we are text messaging, but we were talking a few times outside, in real life :D I am just to shy to call her. So is it OK to ask her out with text message or IM?
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+1 y
I think if I call her and I ask her out, she has hardly no chance to reject my invitation, because she is friendly and maybe she doesn't want to hurt my feelings. I would rather give her a chance (to reject, if) by text message... You know what I mean?
Is OK to ask girl out via text message or IM?
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