“ Gravity from the article -- "--Twitter on your phone won't remember which tweets you've already read." Are you familiar with Gravity, the... (read full comment) ” 

Posted on November 10, 2010 at 9:52 AM EST

“ ahem. You mean 'get a copy editor.' (and they fixed it, anyway) (read full comment) ” 

Posted on May 18, 2009 at 12:41 PM EDT