By using the always-on nature of Twitter, the researchers created what they called an ex-post panel that included about 30,000 people over two years.
Kwa kutumia hali ya Twitter inayotumika kila wakati, watafiti waliunda kile walichokiita jopo la chapisho la zamani ambalo lilijumuisha takriban watu 30,000 kwa miaka miwili.