Q: I have a tablet computer that uses the Android operating system. I've noticed that when applications such as Skype are updated they ask for permission to do things that seem increasingly invasive, which is worrisome.
Q: When you wrote about "Which TV system for the digital age" last Sunday, I still had questions. You suggested getting an Internet connection with a download speed of 10 to 15 megabits. Do I really need a connection that fast, and where can I get it?