The increase in speed and memory of computers improve the effectiveness of this tool, what is the tool?

The tool being referred to here is not explicitly mentioned in the question. However, given the context of the discussion about speed and memory improvement of computers, we can infer that the tool being referred to is likely computer software or applications. These can be any type of tool that relies on computing power and memory capacity to perform tasks more effectively.

To determine the specific tool being referred to, we would need additional information or context.