The power of any kind of network approach lies in the ability to simplify a complex system so
that one can better understand its function as a whole. Sometimes it is beneficial, however …

In this paper, we review some advances made recently in the study of mobile phone
datasets. This area of research has emerged a decade ago, with the increasing availability …

The study of socio-technical systems has been revolutionized by the unprecedented amount
of digital records that are constantly being produced by human activities such as accessing …

Highlights•In recent decades, communication has shifted from in-person to online.•Today,
people communicate more online than offline.•We propose 4 structural differences between …

The availability of massive digital traces of human whereabouts has offered a series of novel
insights on the quantitative patterns characterizing human mobility. In particular, numerous …

This paper describes the deployment of a large-scale study designed to measure human
interactions across a variety of communication channels, with high temporal resolution and …

This article surveys the literature on analyses of mobile traffic collected by operators within
their network infrastructure. This is a recently emerged research field, and, apart from a few …

Never before have we experienced social isolation on such a massive scale as we have in
response to coronavirus disease 2019 (COVID-19). However, we know that the social …

The size of cities is known to play a fundamental role in social and economic life. Yet, its
relation to the structure of the underlying network of human interactions has not been …

Predicting popularity, or the total volume of information outbreaks, is an important
subproblem for understanding collective behavior in networks. Each of the two main types of …