Social Media Timeline By joaverett 2014 Instagram 200 Million Users 2015 Snapchat Introduces Filters 2015 Snapchat 100 Million users 2015 Facebook introduces GIF's 2016 Instagram increases videos to 1 minute 2016 Instagram 500 Million Users 2017 Instagram multiple pictures in one post 2018 Facebook Stocks Drop 2018 Mark Zuckerberg testifies before congress 2018 Instagram Launches IGTV