In general, I use it for both, currency or investment. Because I make profit with bitcoin trading and I also buy sometimes stuff with it, mostly digital stuff. And I save good part of it for the long run.
Yeah, and I think all of us did that, we cannot just choose to use one because we need them both. They will be partners now and in the future and they both grow together, we will see how bitcoin will grow because of the supporters here that usually use bitcoin for transactions online.