collaborative-learning
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The Question That Was Too Embarrassing to Ask
Pooja Sankar built Piazza for the student who knows a question matters but cannot bring herself to raise a hand. The result became a shared answer desk for millions - and, later, a route from classroom to career.
360Learning Burned Through Its First Idea - Then a €5,000 Customer Taught It How Companies Really Learn
The founders spent two years selling clever technology nobody wanted. One small Orange contract exposed the better business: give a company's experts the tools to teach everyone else.
Classtime
Classtime is a Zurich- and US-based education technology company building a web-based platform for formative and summative assessments. Teachers use it to create and grade quizzes, run collaborative challenges, and watch student understanding update in real time across any device. Founded in 2016, it serves hundreds of thousands of teachers and learners in more than 60 countries, with a free library of 30,000+ standards-aligned questions and a focus on grounding its design in learning science.