#quickresponse

Articles on hashtags and QR codes:

http://www.nytimes.com/2011/06/12/fashion/hashtags-a-new-way-for-tweets-cultural-studies.html?_r=1&scp=1&sq=hashtag&st=cse

http://www.nytimes.com/2011/06/12/fashion/paperless-business-cards-noticed.html?scp=1&sq=QR&st=cse