1. Kemp S (2018) Digital in 2018: world’s internet users pass the 4 billion mark.
https://wearesocial.com/blog/2018/01/global-digital-report-2018
. Accessed 6 Aug 2018
2. Brandwatch (2019) 53 incredible Facebook statistics and facts.
https://www.brandwatch.com/blog/facebook-statistics/
. Accessed 30 Jun 2019
3. Jacobsen JKS, Munar AM (2012) Tourist information search and destination choice in a digital age. Tour Manag Perspect 1:39–47
4. Yoo K-H, Gretzel U (2010) Web 2.0: new rules for tourism marketing. In: Proceedings of the 41st travel and tourism research association conference, San Antonio, TX, 20–22 June 2010. Travel and Tourism Research Association, Lake Orion
5. Lalicic L, Gindl S (2018) DMOs’ Facebook success stories: a retrospective view. In: information and communication technologies in tourism 2018, pp 172–185. Springer, Cham