Q: I would describe myself as a reasonably happy and very active user of social media. I have read a few articles that suggest too much social media use can lead to depression. Is that something I should be worried about?

Q: I don’t want to waste my time or money seeing a bad flick, but I don’t like the movie critic in my local paper. Who are the best movie critics on the Internet?

Q: I noticed some streaming services are buffering more than normal on my phone, my kids said something about the throttle. When did cell phones get engines?

Q: My boss keeps asking me if I have enough “spare cycles” to work on new projects. I know what she’s asking, and I know this is a computer term, but where does it come from?

Dear PropellerHeads: My new laptop has a bright screen, which is great during the day but causes eye strain after hours of use. Is there a way to save my eyes without stepping away from the...

Q: I upgrade my Android smartphone every couple of years but it seems like text messaging is virtually the same as it was a decade ago.  What’s the deal?