It's called the "question-behaviour effect," a phenomenon in which asking people about performing a behaviour influences whether they do it in the future.
Owners Peter and Nancy Davis decided a year ago that they would retire. They put the store on the market but had no buyers so planned to close by Dec. 6.
Analysis of selfies can prove "very rich" as a data source, both in terms of what they could reveal about different cultures in different cities and illustrating how people wanted to be perceived, according to a data project.
