“…In studying the diffusion of social media usage, Bauckhage, et al (2014aBauckhage, et al ( , 2014b assumed that Google Trends popularity was a proxy for "collective attention." To model and predict changes in collective attention, they tested the effectiveness of three different diffusion models in fitting Google Trends data: the Bass model (Bass, 1969), the shifted Gompertz model (Bemmaor, 1992), and a third function also used in diffusion studies, the Weibull model (Rinne, 2008).…”