To say a scientist is not at all responsible is wrong. But to say that someone who invents a piece of knowledge or technology is responsible for all future uses is ridiculous. It doesn't have to be that binary.
If we want to help Google become something meaningfully different in the future, then that's more likely to happen if we focus on the physical world instead.
Doing exercise without monitoring yourself will be rare in the future of wearable technology.
I started my second company in 1999. BodyMedia was set up to take advantage of the future of wearables - sensors and computing worn on our bodies in any and all ways that could make our lives better.
The future is all about leading a stress-free life and having all the solutions for all problems at hand.