On this episode of Spark:

• Elizabeth Bowie admits her WiFi isn't secure
• Rob Burbach explains the latest trends in credit card fraud
• Tracey Black explains the next generation of payment systems -- the chip card
• Nora mentions CBC.ca's special feature on cell phones (starts November 19)
• Roger Ball measures Chinese head and face shapes for the SizeChina project (full interview)
• Robert Beggs helps Elizabeth secure her WiFi (full interview)
• Darin Myman on the BigString self-destructing email service (more stories of sender regret)
• Robert Ransick explains his artwork Casa Segura

• "Oslodum 2004" by DJ Dolores
• "Sirens of Amygdala.wav" by ERH
• "power_down.wav" by themfish
• "sicko" by truboi94
• "sonicboom" by buddog20
• "Up All Night" by Lee Rosevere
• "Zen Study" by jaspertine
• "airtone/transmission306/">transmission306" by airtone