Social media has become a key source of financial advice for millions of Americans who did not learn about money at home or school. Is this a good thing?Social media has become a key source of financial advice for millions of Americans who did not learn about money at home or school. Is this a good thing? Social media has become a key source of financial advice for millions of Americans who did not learn about money at home or school. Is this a good thing?   Read More MarketWatch.com – Top Stories