<p>Let friends in your social network know what you are reading aboutEarnhardt Jr. joins Twitter after big win</p><p>Before the Daytona 500, Dale Earnhardt Jr. made a promise: If he won Sunday's race, he'd finally join Twitter.Posted!</p><p>A link has been posted to your Facebook feed." Sent!</p><p>A link has been sent to your friend's email address.</p><p><a href="http://www.usatoday.com/story/sports/nascar/2014/02/24/dale-earnhardt-jr-twitter-tweet/5772207/">Keep reading...</a></p><p>Read also:</p><p><a href="http://www.sportingnews.com/nascar/story/2014-02-24/dale-earnhardt-jr-twitter-daytona-500-2014-first-tweet">Dale Earnhardt Jr. fulfills Daytona 500 promise, finally posts on Twitter</a> (SportingNews.com)</p><p><a href="http://msn.foxsports.com/nascar/shake-and-bake/junior-nation-rejoice-twitter-explodes-after-dale-jr-s-daytona-500-win-022414">Junior Nation, rejoice: Twitter explodes as Dale Jr. tweets after Daytona 500 win</a> (FOXSports.com)</p><p><a href="http://abcnews.go.com/Sports/dale-earnhardt-jr-joins-twitter-winning-daytona-500/story?id=22645048">Dale Earnhardt Jr. Joins Twitter After Winning Daytona 500</a> (ABC News)</p><p>Explore: <a href="http://news.google.com/news/more?ncl=d-qsbaa-Huen3LMe3SMg88FKnISAM&authuser=0&ned=us">1,972 additional articles.</a></p>