These articles have been saved from cyber vandalism and censorship in 2010-2011 and are now available in paperback and ebook versions, together with the Appendix 'In the cloud: fragments of Brunella Longo's online conversations 2010-2011'. The booklet is relevant for studies in Library and Information sciences, ICT, Data Science, Data Engineering, Metadata and Data Mining, Information design but can also interest and intrigue scholars in Cultural and Media Studies and Microhistory. Extract from the preface: 'I had the ambition to reach out academic institutions, global organisations and the public sector: these were the groups I would advice about digital developments and the appropriate policies for the evolution of what is the most important asset of any library and data collection, the catalog [...] To that extent, I redefined cataloguing as an asset management activity [...]'