'Haha' has killed 'lol,' says Facebook

An excerpt:

If you still "lol" at jokes online then you might be in the minority. A new report from Facebook into how users express laughter shows that "haha" and its variants are by far the most common terms used on the social network. They accounted for 51.4 percent of mirth in the anonymized comments and posts looked at by Facebook's data team, with laughter emoji claiming 33.7 percent, and "hehe" and its cognates 13.1 percent. The once-mighty "lol" only appeared in 1.9 percent of the text sampled by Facebook — a pretty staggering fall for an expression that was once synonymous with online txt speak

Read more in the Verge.