More discussion about Google Duplex robot voice assistant. A caller discusses his experiences with targeted advertising from web searches and services and wonders how he may be targeted. We talk about how marketers use location services from your cell phone to target you, in addition to law enforcement's use of cell phone location data to track people. A listener questions whether he should trust the "identity protection" features of his anti-virus software which require the disclosure of personal data. We help a user who is getting "blue screen" error message on his laptop saying "bad pool caller." How to deal with programs that are not responding. A user gets advice on how to turn off Microsoft OneDrive storage. Tips on the best anti-virus programs and how to securely configure your computer. How to remove Microsoft Cortana voice assistant from your computer. Plus, information on the best Linux operating systems for beginners to try.