A nice image is better than 100 words!!!
“As you can see, if I lived decades ago, I could somewhat keep up with all new research that pertained to me. Today though? Forget about it. There is just way too much going on. (…) There is just no way to keep up with all of that information. It is information overload“.
Hoyt, Jason. What’s relevant to me.. .right now?. posted on 7th of October 2009. http://www.mendeley.com/blog/design-research-tools/what%E2%80%99s-relevant-to-me-right-now/