The job of the data scientist is to ask the right questions.
Deep learning allows you to create predictive models at a level of quality and sophistication that was previously out of reach. And so deep learning also enhances the product function of data science because it can generate new product opportunities.
The sender and subject line are actually the most important parts of an e-mail because people tend to put more important information in the subject.
A good scientist can understand the current state of a field, pick interesting questions where a success will actually lead to useful new knowledge, and push that field further through their work.