Why does my download speed slow down extremely in the course of the day and when I reboot my pc it's back to normal. My desktop is connected via ethernet cable. MBPro, iPad and 2 iphones via wi-fi. My ...

I have a confession to make: I don’t always do as I say. I’ve been a tech journalist for 20 years. Over those years, I’ve written countless how-to guides and advice columns, and I’ve made endless ...