My friend and colleague over at Tom's Hardware has posted an article outlining everything you need to know about Spectre And Meltdown. Seriously, if there is one thing you guys read today, it is this.
A pair of bugs has silently infested CPUs from Intel, AMD, and ARM for years, and eradicating them has some potential downsides. We're referring of course to the Meltdown and Spectre bugs revealed earlier this week, which are present in modern processors.