Freshman Internship:D

I think I secured an internship with a firm this summer and I am pretty stoked about it. I don't know much about what I'll be doing as an intern for the firm as I am a freshman and don't have much knowledge about finance. I have been reading some books to get a better scope of like terminology and stuff. I also think I've done a pretty solid job of networking so far but I still have a long road to go. Anyway, what did you guys do as interns? What do you wish you knew before you became an intern? Also how do you all go about networking? I networked with a business guy yesterday and it was kinda good I'd say. He gave me his business card and I think of having a coffee date with him but not sure as he is 88 but then again he did start this program at my university so maybe it's a good thing? Thoughts? I appreciate it!