1. What do you think about data mining and its implications concerning privacy? What is the threshold between knowledge discovery and privacy infringement?

 

2. Did Target go too far? Did they do anything illegal? What do you think they should have done? What do you think they should do now (quit these types of practices)? 

 

3. Why is image recognition/classification a worthy but difficult problem?

 

4. How can k-NN be effectively used for image  recognition/classification applications?