Use Case VS User Story. Select requirement specification techniques

Use Case and User Stories are the most popular requirements specification techniques. Both of them have advantages and disadvantages. In this talk, I will tell you about my experience in using these approaches (6 years with Use Cases, 5 years with User Stories): which was the first choice, how and why I have switched from one to another, which issues I have faced. 

We will speak about the factors can help you to select the right technique for current or future projects.