4 Ways to Go Upstream to Solve Problems with Dan Heath by Vicki Davis March 5, 2020 by Vicki Davis March 5, 2020 5 minutes readYou can solve problems by going Upstream. Dan Heath, the author of the new book Upstream, talks…Click to share this:TweetMastodonEmailTelegramMorePrintRedditShare on TumblrPocketWhatsApp