their geographical location), while others are connected to characteristics of people
involved in the firm. The first type can decrease the effectiveness of the information
flow, increasing the probability of generating erroneous data and determining
a lack of timeliness. The second type relates to cases of obstruction, that
are physiological in each changes of information system, especially when they are
not accompanied by adequate measures of communication, acceptance and sharing,
and their benefits often remain potentiality, only appreciated by designers.