Even though our reward this kind of , even though they make us crave information, they're actually not very good at with the intensity and the quantity and the speed we find ourselves today. And the reason is that our working memory has a very small capacity. Working memory is essentially the contents of your at any given moment. What you're aware of is in your working memory, what you're not is not in your working memory. And you probably remember at least the title of a famous paper that came out I think in the 1950s, it was called I think the magical number 7 and the of it said that it looked like we could in our working memory, in our consciousness, around 7 pieces of information , and that was the maximum, and the thrust of his paper was you know, this is a very small store of information, and we found that actually that's an , that our working memory probably can only hold somewhere between 2 & 4 pieces of information at any given time, and when we too much information at once, what happens inevitably, is that we start having this where things are coming into and out of our working memory, out, into and out of our consciousness really really quickly, because you take in a new bit of information whatever screen you happen to be looking at, some other piece of information of your working memory has to leave, has to exit for the new piece of information, and when this happens, and , particularly , have been studying this, particularly this , particularly as it relates to education, for a long time is you suffer quite literally . You're overloading your mind, you're overloading your working memory and when that happens, you're never paying to anything, you're never on one thing, for an extended period of time, and unfortunately, there are all sorts of important intellectual processes that as a result , they never happen because they us not to take in constant information, but to information and to .