Many people were looking for an answer in one category, namely, Forums Streaks.

This metric by itself only tells you that people log in to the app.

1. The lack of a service that creates hyper-personalized, gamified English courses (in the Duolingo format) for narrow professional niches (e.g., for a barista in a vegan coffee shop or a startup founder.

2. Automating cross-posting of an indie hacker's technical content across multiple platforms (Twitter, LinkedIn, Product Hunt) while adhering to each platform's best practices.