1. You’re conducting a research project that requires you to visit sites that include lots of pop-up ads and other junk that you don’t want accumulating in your browser cache. You remember that you...

1. You’re conducting a research project that requires you to visit sites that include lots of pop-up ads and other junk that you don’t want accumulating in your browser cache. You remember that you can turn on browsing to delete all that junk when you end your session.

2. Your friend boasts that she has finally got her browser secured so her Web activity won’t be tracked. A couple of days later, she complains that she can’t check out at Zappos.com. You’re pretty sure that she has blocked