“…Additionally, Pé rez-Barber (2009) (2016), Maeshima (2018), and Falasca, Dymek & Grandien (2019) note that Barack Obama, who was elected president in the 2008 elections in the United States, used the broadcast model and the participatory model based on personal contact with the electors plus a campaign called mobile communication with him sending text messages (SMS) to keep all his supporters informed of all activities on a daily and direct basis. He also used e-mail marketing to inform throughout his campaign about his errands, debates, fundraisers or simply send support messages to create a link of trust, also focused on the use of internet and social networks on sites such as: Facebook, Twitter, MySpace, YouTube, blogs and the official website of the candidate, all with their distinctive "Obama" as a brand for advertising within the campaign.…”