7OCLC. Libraries and the Internet of Things[J]. Next Space, 2015 (24):8.
8eMarketer. Worldwide Smartphone Usage to Grow 25% in 2014 Nine Countries to Surpass 50% Smartphone Penetration This Year [EB/OL]. (2014-06-11)[2015-12-01]. http://www.emarketer. com/Article/Worldwide-Smartphone-Usage-Grow-25-2014/ 1010920.
9Hoffelder N. PwC Claims eBook Sales Will Exceed Print in 2018 [EB/OL]. (2014-11-18) [2015-12-01]. http://the-digital-reader. com/2014/11/18/pwc-claims-ebook-sales-will-exceed-print- 2018/?relatedposts_hit=l&relatedposts_origin= 52420&relatedposts_position=1.
10Holman T. Digital Census 2015: Five Key Findings[EB/OL]. (2015-10-29) [2015-12-01]. http://www.thebookseller.com/ insight/digital-census-2015-five-key-findings-315594.