I mapped different forms of citizen participation in surveillance and discuss the component of participation in several different surveillance situations, paying special attention in each case to how this participation is practiced, supported, managed, or questioned. The first phase of the research involved the study of the participation of civilians in surveillance. This thesis explores how control over surveillance systems can be allocated to communities suggests that surveillance technology need not be limited to control, discipline, or profit and shows how citizens and communities can use surveillance technology in a positive manner for their own needs and benefit. The powerful players involved in surveillance are mainly governments and corporations, but the possibility for ordinary citizens to both carry out surveillance on others, as well as to themselves become the objects of observation, has increased greatly.

But at the moment WhatsApp is still the winner! WhatsApp, Viber and Telegram which instant messenger is best? The popularity of Telegram has reached at the top of Google play store and become the most downloaded messaging app in the world today. While Telegram offers the users an open-source platform with no ads, a clean fast interface, asks for no payments whatsoever and the biggest selling point is security. Viber is another messenger with many integrated features that allows the phone calls and sends the text messages for free and there is no subscription like WhatsApp. Even, Facebook acquired WhatsApp due to have huge users. Recent studies have shown that the most popular instant messengers are WhatsApp, Viber and Telegram.

But only very few of the instant messengers have gained a popularity and attention. There are many free instant messengers available now which allow to communicate with friends with text, phone call, video, sharing of files, in group or not and keep contact with them even internationally.

Viber vs whatsapp audio call