Welcome to the first installment of "This Week in Tech," where we'll be exploring major stories in the fields of SEO, SEM, and virtually every other acronym we can come up with. This week, we focus on two tech juggernauts looking to shake up the system in noticeably different ways. First, Facebook plans on updating their tracking pixel in a way sure to enrage privacy activists and delight advertisers. Google, on the other hand, is looking to increase security across the internet and decrease the spread of fake news across their own search results. You know, simple stuff.Let's dive in.