Which of the following is NOT typically considered a big data analytics project?

a. A large online retail company (e.g., Amazon) attempts to identify potential buyers for certain products based on the customers' purchase history and behavior, along with their online interactions with the customer service department of the company.

b. A group of researchers attempt to predict the U.S. population count in 2020, using several survey data taken from a few representative states in the last few years.

c. A group of researchers in a political institute attempt to predict the outcome of the 2020 US presidential election, using economic and survey data, as well as social media data.