.. _use_cases: Use Cases ========= So far, opencrowd has been used in: * `object detection `_ across a variety of topics, from aerial imagery to chandeliers * during a critical mistake involving large-scale data, opencrowd was rapidly deployed to differentiate between impacted and non-impacted states. The time and accuracy was superior to the rapid sentiment analysis models deployed * classification across 140 labels * classification models using opencrowd for further self-evaluation in uncertain conditions * model comparison testing: which model performed better to human standards? * Select-k data acquisition: Which k of n in the dataset do humans prefer? * Active content moderation and reinforcement learning