What is the tl;dr of the tool? How does it differ from the description of its category, Machine Learning?
TensorFlow is an open-source machine learning and computation library created by Google. The library can target devices ranging in performance from servers to mobile phones.
Why use this tool over an alternative?
TensorFlow is backed by Google, has a strong community, and documentation which sets it apart from alternatives. When diving into abstract machine learning concepts, good documentation and visual aid is sometimes necessary.