Library 2.0/Web 2.0 Unlock the Code at RMIT October 2, 2009 Michael 1 Comment Unlock the Code at RMIT, originally uploaded by mstephens7. Nice example of a 2D barcode in play on the library circulation desk. Tweet Share this TTW post: on Twitter on Facebook on Google+ Related posts:Greetings from SWFLN! Naples, FloridaMichigan TagsOne college library is handing these fancy cards out to students. What do you think?