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Chasing 100M Daily Users, Duolingo Reconsiders Ads, Paying Influencers, and Its Most Expensive Plan

AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.

Dhawal Shah Sep 03, 2026

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Cloud for CEOs

A CEO-focused introduction to cloud computing, its value, AWS advantages, and the first steps in a cloud adoption journey.
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Getting Started with AWS Mainframe Modernization Service

Introduces AWS Mainframe Modernization for planning and implementing mainframe application migration through automated refactoring and replatforming.
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- 1 hour
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Amazon EC2 Observability, Monitoring, and Troubleshooting

Learn to monitor Amazon EC2 instances and troubleshoot performance, latency, and connectivity issues using observability tools and incident-response methods.
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- Free Certificate
Amazon Web Services; Amazon
Getting Started with Bottlerocket

Learn how Bottlerocket’s container-optimized architecture supports AWS workloads, including creating Amazon EKS and ECS clusters through the console and AWS CLI.
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Amazon Web Services; Amazon
Getting Started with Amazon Comprehend: Custom Entity Recognition

Create and test a custom entity recognition model in Amazon Comprehend, then analyze text in real time through a custom endpoint.
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- 1 hour
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Amazon Web Services; Amazon
Getting Started with Amazon Comprehend: Custom Classification

Build and test a custom text classification model in Amazon Comprehend, then run real-time analysis through a custom classification endpoint.
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- 1-2 hours
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Amazon Web Services; Amazon
Data Modeling for Amazon DocumentDB

Learn how to model data in Amazon DocumentDB using relationships, normalization, access patterns, and scenario-based architecture decisions.
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Building Event-Driven Applications With Amazon EventBridge (Includes Labs)

Build event-driven applications with Amazon EventBridge by designing event flows, routing events, integrating services, and applying reliability and security practices.
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AWS Free Tier: Introduction to Managing Services

Manage AWS Free Tier resources, monitor usage limits, and choose whether to terminate services or transition to paid tiers.
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AWS Free Tier: Introduction to Offerings

Learn to distinguish AWS Free Tier offers, check eligibility, and identify service details and usage limits.
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Challenge AWS Game Skills: Basic

Hands-on, gamified AWS challenges teach learners to secure, store, deliver, and host game services using GameLift, DynamoDB, CloudFront, WAF, and ECS.
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AWS Free Tier: Introduction to Monitoring Services

Learn to monitor AWS Free Tier usage and stay within service limits with the AWS Billing console and AWS Budgets.
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Getting Started with AWS Cloud Essentials

An introductory tour of AWS Cloud’s core services, global infrastructure, shared responsibility model, and purchasing options for prospective cloud adopters.
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Amazon Web Services; Amazon
Building Event-Driven Applications With Amazon EventBridge

Learn to build event-driven applications with Amazon EventBridge by designing event flows, routing events with rules, integrating services, and applying reliability and security practices.
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Amazon Web Services; Amazon
Build with Amazon MemoryDB for Redis

Build and operate Amazon MemoryDB for Redis by configuring clusters, integrating with AWS Lambda, and monitoring performance and health.
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