Hi All Web Master!!!!..i m seo of trademark websites... in these websites almost every keywords were ranked till previous week....but suddenly wat happened...all keywords are get disaappered from search engine index page...and all articles and social bookmarking respective to these websites are ranked in place of websites.....now articles and social bookmarking links are ranked not websites urls....wat to do.??? Has my website gone in sand box???? some helpful suggestions......?????????