Originally Posted by Kaboom
As for introducing more advanced technology... Well, Spock didn't exactly bring much of that back WITH him aside from the Jellyfish, which was destroyed. But Starfleet already got itself a nice boost in the wake of the Kelvin incident. Didn't even really need Spock for that one.
I just wonder, story-wise in the movie, that new Spock may have had time to download the Jellyfish's database to the Enterprise before it crashed into the Narada. New Spock would have been interacting with the new technology before then.