@InProceedings{hilliges2009sidetracking,
  author = {Hilliges, Otmar and Kirk, David},
  title  = "{Getting Sidetracked: Display Design and Occasioning Photo-Talk with the Photohelix}",
  booktitle = {27th ACM SIGCHI Conference on Human Factors in Computing Systems},
  location = {Boston, MA, USA},
  month = apr,
  year =   {2009},
  publisher = {ACM}
  }