Mark Licea was the substitute host for CNET's Loaded pop-tech show this week, while regular emcee Natali Del Conte took a vacation. If you've watched Del Conte at all, here's what's creepy: Licea has her mannerisms down pat. In response to viewer feedback, the pair produced this mock training film. But, Mark, the real trick to Being Natali is to deliver lines like "Verizon and AT&T launch mobile social networks for suckers " as if you're announcing good news.