Attentive BarCampers at Dan Kaminsky's Ask a Hacker session. Attendees range in age from 18 months (her 2nd BarCamp) to so old we're afraid to ask | photo by pinguino The twice-yearly, geek-tastic unconference for technologists, gamers, industry-folk, and Internet lovers of all stripes is again upon us. BarCampLA is in its fifth iteration and thanks to a collaborative effort fronted by Jason Cosper and Crystal Williams (and dozens of sponsors), it's shaping up......