The popular micro-blogging site Twitter is currently under a DOS (denial of service) attack.  However, regular users probably won’t notice much difference considering the website is always slow as molasses.  “Twitter’s site went down around 9:30 a.m. ET on Thursday.  A message posted on Twitter’s status blog said the site was active again by 11:30 a.m., but that the site remained under attack.”  Entire CNN Article