From Youtube
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.
 starting 1997 up to 2019. Measured by number of monthly active users worldwide.</blockquote>)
From Youtube
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.
