Time to boot up some nostalgia. From cereal box goodies and Saturday morning cartoons to the screech of dial-up, we’re revisiting kid experiences today’s youth won’t quite know. Remember browsing Blockbuster’s aisles, phoning friends on the house line, or camping out for concert tickets? How about phone booths, pen-pal letters, waiting for film to be developed, or tricking out your MySpace with glittery music? Tell us your most-missed memory!