What is TensorFlow?
TensorFlow is a Google open source software library for numerical computation using data flow graphs; that is, an open source machine learning library focusing on Deep Learning. Based loosely on neural networks, TensorFlow is the culmination of the work of Google's Brain Team researchers and engineers to apply Deep Learning to Google products and build production models for various Google teams including (but not limited to) search, photos, and speech.
Built on C++ with a Python interface, it has quickly become one of the most popular Deep Learning projects in a short amount of time. The following screenshot denotes a Google Trends comparison between four popular deep learning libraries; note the spike around November 8th - 14th, 2015 (when TensorFlow was announced) and the rapid rise over the last year (this snapshot was taken late December 2016):
Another way to measure the popularity of TensorFlow is to note that TensorFlow is the most popular machine learning framework...