In addition to changes in who is using a system, there are also changes in how the system is used. For example, during the Occupy Gezi Park protests in Istanbul, Turkey in 2013 protesters changed their use of hashtags as the protest evolved. Here’s how Zeynep Tufekci (2014) described the drift, which she was able to detect because she was observing behavior on Twitter and on the ground:
Mbali na mabadiliko ya nani anatumia mfumo, pia kuna mabadiliko ya jinsi mfumo unavyotumika. Kwa mfano, wakati wa maandamano ya Occupy Gezi Park mjini Istanbul, Uturuki mwaka wa 2013 waandamanaji walibadilisha matumizi yao ya alama za reli huku maandamano hayo yakiendelea. Hivi ndivyo Zeynep Tufekci (2014) alivyoelezea mteremko, ambao aliweza kugundua kwa sababu alikuwa akiangalia tabia kwenye Twitter na ardhini: