history,ok through there are often times in history where we discovered that something is morally repugnant that the whole economy is based on it. so it used to be slavery. when the british empire wanted to get out of slavery, they had to give up 2% of their gdp every year for 60 years. now the whole tech economy is propped up by advertising. it has served us really well and created wealth. there's a lot of great things that came from it, but when the -- if i'mtoo high facebook and i have one newsfeed that has filter bubbles that confirms your existing beliefs, and i have another feed that doesn't confirm your beliefs, if the one that doesn't confirm your beliefs loses engagement, everyone else will swoop in.