Everything we know about what's going on inside of Facebook right now

Facebook has had a tumultuous few years. There have been bright spots, like the growth of Instagram, and big new initiatives, like its pivot to privacy. There have also been plenty of challenges, with calls to break the company up, and investors at one stage wondering if COO Sheryl Sandberg might leave the company. Business Insider has covered all of the drama, and has pulled together all of our recent reporting on what's going on inside of Facebook below. You can read it all by subscribing to BI Prime.Here's what we know about what's going on inside of Facebook right now, from its so-called “pivot to privacy,” to the secretive projects it's working on:Pivot to privacyFacebook's bet on privacy may threaten advertisers' sophisticated targeting, and it could 'dramatically change' its relationship with brandsMarketers want more details about how Facebook's move to encryption will impact adsFacebook's relationship with advertisersFacebook is ramping up its move to manage ad spend from millions of small and mid-size businesses with a new toolFacebook has a new plan to push brands on groups, but breaking up with the news feed is tough for marketersFacebook is expanding its ad transparency efforts, but some advertisers worry it could hurt their ability to be competitiveFacebook is giving advertisers more data on how it grades ads — but buyers say it's a step behind GoogleFacebook Audience NetworkAdvertisers want more say over where their ads run on Facebook's billion-dollar ad network. Here's why the company says it won't give them complete control.Facebook WatchFacebook is making its biggest bet to date to take on YouTube for video dollars. Ad agencies aren't convinced.Facebook MessengerThe head of Messenger answers some big questions about how Facebook's ambitious plans to connect its messaging apps will workFacebook is doubling down on Messenger, and it means advertisers will have to spend more time and energy to reach potential customersFacebook PortalFacebook is pouring millions into TV and outspending Amazon and Google in the race to dominate voice-activated devices — but it may not be able to hold its ad-spending lead much longerInstagramInstagram is ramping up its pitch for direct-response ad dollars as its stories ads move into Facebook and MessengerInstagram is already running out of room for ads, and that's a threat to Facebook as it looks for new avenues to keep revenue growingInstagram has completely replaced TV as the most important way for advertisers to reach young peopleFacebook's big bet on Stories may go even better than its pivot to mobileFacebook's political effortsFacebook is building out its team of antitrust experts as one of its cofounders calls for it to be broken upNew projectsFacebook poaches 2 veteran compliance experts from Coinbase as rumors swirl about its blockchain projectFacebook is restructuring its augmented-reality glasses division as it inches closer to launchFacebook is thinking about using 'cartilage conduction' technology in augmented reality headsets, for audio without headphonesFacebook is trying to hire someone to work on 'legged' robots and robotic handsFacebook secretly explored building bird-size drones to ferry data to people with bad internet connectionsFacebook's push to help raise money for charity could indirectly give it a $10 billion boost to its businessWorking at FacebookHere are the Facebook execs who insiders think might leave nextCar-bomb fears and stolen prototypes: Inside Facebook's efforts to protect its 80,000 workers around the globeFacebook moderators are in revolt over 'inhumane' working conditions that they say erodes their 'sense of humanity''It changes everything': Facebook insiders are cautiously optimistic about changes to employee bonusesLeaked memo spells out Facebook's new 'ground rules' restricting employee discussions about politics and religionAlumniMeet the 19 former Facebook employees and executives who are now leading some of the hottest enterprise startups in the world