Do you work in a large office building? Then you should know about this recently discovered flaw in ALL EXISTING BUILDING CODES AND FIRE REGULATIONS that could cause the complete collapse of your office building. For more information on this phenonmenon, please email NIST at wtc [at] nist [dot] gov
Please do not visit the following sites for more information about what really happened, as they don't agree with NIST's expert and trustworthy analysis:
http://www.ae911truth.org
http://www.stj911.com
http://www.911blogger.com
http://www.corbettreport.com
You have been warned.