1.1 The ‘book-fool’ 9

1.2 The Gutenberg parenthesis 55

2.1 Appearance of the library of a reading application 87

5.1 Kno 154

5.2 Goodreads 174

5.3 Library on Goodreads 174

5.4 Review of a work on Goodreads 175

5.5 Statistics on Goodreads 176

5.6 Readmill I 181

5.7 Readmill II 182

5.8 Readmill. Chronology of use I 182

5.9 Readmill. Chronology of use II 183

5.10 Readmill reading synchronisation on various reading devices 184

5.11 Social network of readers on Readmill 184

6.1 Amazon model 208

7.1 Factors which have led to the development of social labelling 221

7.2 The evolution of indexing from the agent point of view 225

7.3 The social indexing triangle 226

7.4 Types of folksonomies 229

7.5 Types of social tagging and social value 232

7.6 Relations between the elements of CiteUlike 242

8.1 Annoto ergo sum 259

1.1 Contrast and comparison of conventional and digital readers 72

2.1 Most frequent reading personalisation options 83

2.2 Most frequent contents search options 84

2.3 Most frequent contents browsing options 84

2.4 Most frequent text annotation options 85

2.5 Connections to contents 89

2.6 Digital reading applications listed by operating system and type 101

5.1 Social reading taxonomy 157

5.2 The Kids & Family Reading Report 159

5.3 The philosophy behind Rethink Books 170

5.4 Philosophy of Openmargin 179

7.1 Social indexing applications 236