The literature is mostly image based, but as other users have said voice, text, and video have also seen substantial gains. It has also been used to great effec

The literature is mostly image based, but as other users have said voice, text, and video have also seen substantial gains. It has also been used to great effect for taxi destination prediction (heterogenous information) [1], drug discovery [2], and general operations on graphs [3]. There are also lots of examples beyond classification - structured prediction such as image segmentation [4], predicting depth, surface normals, and pixels from only RGB [5], text to text translation [6], image captioning [7], Turing machines [8], speech synthesis [9], question answering (Q/A) [10][11], handwriting generation [12], playing Go [13], playing Atari [14], speech recognition [15], drawing things [16] and many more. [1] http://blog.kaggle.com/2015/07/27/taxi-trajectory-winners-interview-1st-place-team-%F0%9F%9A%95/ http://blog.kaggle.com/2015/07/27/taxi-trajectory-winners-in... [2] http://blog.kaggle.com/2012/11/01/deep-learning-how-i-did-it-merck-1st-place-interview/ http://blog.kaggle.com/2012/11/01/deep-learning-how-i-did-it... [3] http://arxiv.org/abs/1403.6652 http://arxiv.org/abs/1403.6652 [4] http://arxiv.org/abs/1502.03240 http://arxiv.org/abs/1502.03240 [5] http://arxiv.org/abs/1411.4734 http://arxiv.org/abs/1411.4734 [6] http://arxiv.org/abs/1409.0473 http://arxiv.org/abs/1409.0473 [7] http://arxiv.org/abs/1502.03044 http://arxiv.org/abs/1502.03044 [8] http://arxiv.org/abs/1410.5401 http://arxiv.org/abs/1410.5401 [9] http://arxiv.org/abs/1506.02216 http://arxiv.org/abs/1506.02216 [10] http://arxiv.org/abs/1507.04808 http://arxiv.org/abs/1507.04808 [11] http://arxiv.org/abs/1503.08895 http://arxiv.org/abs/1503.08895 [12] http://arxiv.org/abs/1308.0850 http://arxiv.org/abs/1308.0850 [13] http://arxiv.org/abs/1412.3409 http://arxiv.org/abs/1412.3409 [14] https://www.cs.toronto.edu/~vmnih/docs/dqn.pdf https://www.cs.toronto.edu/~vmnih/docs/dqn.pdf [15] http://www.sciencedirect.com/science/article/pii/S0893608014002007 http://www.sciencedirect.com/science/article/pii/S0893608014... [16] https://www.youtube.com/watch?v=Zt-7MI9eKEo https://www.youtube.com/watch?v=Zt-7MI9eKEo