Future of IxD student???

Hi, I'm Studying IxD.
For this summer I'm looking for Internship around the world in
different companies in different field from Google and Microsoft to
small interactive art and media companies. I realized that the role
of interaction designers may differ very widely regarding the focus
of the companies.. form user interface designer to researcher and
finally to interactive artist. I'm really confused about the my own
future..because in order to get to any of these jobs(for future) one
must learn lots of different tools, approaches, methods.( please
correct me if I'm wrong).

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