https://news.northeastern.edu/2014/10/23/ecommerce-study/ https://news.northeastern.edu/2014/10/23/ecommerce-study/ The actual paper: http://www.ccs.neu.edu/ho

https://news.northeastern.edu/2014/10/23/ecommerce-study/ https://news.northeastern.edu/2014/10/23/ecommerce-study/ The actual paper: http://www.ccs.neu.edu/home/cbw/static/pdf/imc151-hannak.pdf#_ga=2.90760090.182711740.1557957419-1427425748.1557957419 http://www.ccs.neu.edu/home/cbw/static/pdf/imc151-hannak.pdf... "As shown in Figure 11, Travelocity alters hotel search results for users who browse from iOS devices." (In particular, alters the prices shown to the user).