Most Popular Instant Messengers 1997 2019

Timeline history of the world most popular instant messenger apps (desktop software in early years) starting 1997 up to 2019. Measured by number of monthly active users worldwide. I am a first year PhD student, data geek and I love visualizations. As always your feedback is welcome. Please support my channel. It can buy me another cup of coffee :) Data source: market reports, press releases, company SEC filings.