Smartphone sales are declining, best email client for IMAP, using Wi-Fi calling with a carrier, what the future holds for self-driving trucks, using multiple monitors with a MacBook Pro, SD cards for taking pictures, why Windows might prompt you to reactivate, Chris Marquardt talks about the rise of professional Instagram photographers, and more of your calls.

Host: Leo Laporte

Guest: Chris Marquardt

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For detailed show notes, visit techguylabs.com.

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