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Since the beginning of the Arab spring, Tunisians have asked for a new system with fundamental political, social and economic reforms. People have been revolting for dignity, liberty, social equality and for equity between regions through the equal division of wealth. This is why, during the democratic transition, there was a significant focus on the decentralized development, where local authorities are more autonomous, which means that the municipalities will have more authority. On 06 May 2018, the first municipal elections after the revolution took place in Tunisia. These elections were preceded by an electoral campaign where social media were used to debate on different topics related to these elections. This paper aims to investigate if there is a correlation that can be deduced between the posts and reactions on social media, especially on Facebook, and the final results of the elections. To this end, we will make an analysis of the candidates' Facebook pages and the reactions of their followers towards their campaigns in order to understand how far social media insights were significant in the municipal elections results. Results show that either on Facebook or in front of the voting ballot, political parties get the highest number of interactions from citizens, but there is no direct correlation that can help us predict which list will be the most voted for. But when considering independent lists only, results show that their presence in social media and the reactions of citizens to their publications can be representative of their final voting results.

The concept of Smart cities is increasingly gaining a widespread development and interest from scholars and government representatives. This growth transformed largely the smart city into a "lifestyle" of cities' organizations and individuals who look for improved governance and urban life harnessed by Information and Communication Technologies (ICT). Given the administrative, the socioeconomic and the urban nature of cities, they are becoming more complex and facing continuous challenges. The mobility is one of the stands that make cities smarter, more available and more affordable. Accessibility is one of the gaps that need to be addressed from urban and social point of view. In this paper, we focus on persons with disabilities to provide them access to the urban environment. To this end, we present a "Crowdsourcing mapping" based platform called "HandYwiN" and see the added value of this initiative to the mobility of persons with disabilities in smart cities. We will focus on the adopted methodology to determine and map the accessibility of public and private spaces for people in wheelchairs.

This work considers the Citizen-to-Citizen (C2C) service interaction, and shows how it could be implemented using a set of identified affordances and a decision model that considers social attributes. Specifically, we adapt the Analytic Hierarchy Process (AHP) to consider social attributes in choosing appropriate service provider for a C2C service request. In our opinion, insights from this work should help in moving Government Social Media policies towards the use of social media platforms for implementing C2C and other emerging services like C2G services.