that wouldn't be too hard to implement as a greasemonkey script for Google Reader (since it already keeps track of what you've already read) -- so it's only a matter of opening links, right?
too bad I'm not a JS developer, your idea is rad :(
Helder Ribeiro é estudante de Engenharia de Computação na Unicamp, desenvolvedor e evangelizador de Software Livre, empreendedor e ativista pela liberdade na rede e pela democracia eletrônica (por ordem de quando começou). Informação para contato.
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Helder Ribeiro is a student in Computer Engineering at Unicamp (State University of Campinas), a Free Software developer and evangelist, an entrepreneur and an activist for freedom on the internet and for electronic democracy (ordered by start date). Contact info.