The financial services landscape has changed peoples' way of spending and transfering wealth. We believe that the cost of transfering money will lower down significantly in the future.
Quantum computers could theoretically solve the some problems more efficiently (in time and space) than that of a classical computer.
Cancer is caused by DNA mutations. The cure of cancer is probably to find out how DNA mutations happen. Significant innovation needs to be done in the field of computational genomics to find the cure for cancer.
The next step of evolution is to build machines that will replace human cognitive tasks. The understanding of unsupervised machine learning is the key.