A/B testing

A video: “How Duolingo Turned a Free Language App Into a $7.7B Business”

by

Key Insights for How Duolingo Turned a Free Language App Into a $7.7B Business | WSJ The Economics Of by Merlin AI USER BASE AND REVENUE MODEL – Duolingo boasts approximately 34 million daily users, contributing to an annual revenue of around $500 million. – Despite its popularity, only about 9% of users pay for … Read more

Journalism agenda: Turkey’s pro-AKP dailies are so full of shit that they cannot cover an incident that includes explosions, dead and injured citizens

by

These dailies are an insult to journalism. All of them either downplays or totally ignores the deadly attack at HDP rally in Diyarbakır yesterday. In journalism news: How a group of researchers tried to use social media data and algorithms to find breaking news Nieman Journalism Lab by Joseph Lichterman Shortly after 9:30 a.m. on March 12, 2014, … Read more