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The market for third-party data labeling solutions was $150M in 2018 and will grow to over $1B by 2023. The industry has shifted from simple bounding boxes and speech transcription to pixel-perfect image segmentation and millisecond-level time slices in audio analysis. In pathology, for example, detecting diseased cells in a tissue slide requires incredible accuracy as the diagnosis of disease depends on deriving the correct answer. The nature of this work will increasingly require more subject matter expertise and consensus on what answer is considered “most correct”