While Apple may have moved on to selling the 4th generation iPod nano, consumer protection agencies are still focused on gen-1. For good reason too, apparently, as there's mounting evidence that those early white and black plastic players have a tendency to overheat, swell, and possibly burst into a nasty chemical fire. Responding to five formal consumer complaints made between December and June, the Korean Agency for Technology and Standards sent a request to Apple on June 25th recommending that Apple "aggressively" collects first generation iPod nano with Lithium Ion batteries made by the Chinese company ATL. Initially, Apple agreed to replace faulty units