From setting up your first Pi to creating smart home devices and mini servers, explore the versatile world of computing with the best free courses on Raspberry Pi programming and projects.

Looking for the best course to learn data structures and algorithms? I’ve compiled the best DSA courses to become a better coder or prepare for interviews.

The pandemic ushered in a “new normal” in online learning, but it culminated in layoffs and stock drops.

This year, Duolingo announced a major strategic shift: from monetization to user growth, with a target of 100 million daily active users by the end of 2028. To get there, it needs to grow about 25% year over year, every quarter. In Q2 2026, daily users grew 23%, to 58.7 million, the first time growth has sped up in two years. Duolingo also disclosed a roughly $10 million bonus that pays out if Q4 growth hits 25% or more. Paid subscribers grew by about 200,000 in the quarter, the fewest since 2