Data collected are just rough figures because the are banally extractedsearching the string"adobe reader" OR "acrobat reader" OR "adobe acrobat reader"and the string "lettore PDF libero" on regional domains, for example like:
Data collected are just rough figures because the are banally extractedsearching the string"adobe reader" OR "acrobat reader" OR "adobe acrobat reader"and the string "lettore PDF libero" on regional domains, for example like: