Star Trek has a long history of introducing new technology.
TOS & TNG introduced us with new technologies, who got adopted like the communicator as mobile phone. When watching Star Trek (2009) I noticed the computers and consoles have been changed drastically.
However, I didn't notice anything special or new. Of course there was this fancy transparent screen, but we know them at least since Stargate and they are semi reality (Microsoft Surface exists, transparent screens exist).
Which technologies and devices were introduced into the Star Trek universe through this movie? Is there any new tech prediction?
I am looking for those unexplained gadgets used by the redskirts.
Explanations for what they could be would be interesting too.
Since I found at one example (which I don't know the real purpose of) I think there has to be more. Thoughts on their purpose give extra points :)