Bryan Li (10) | STAFF REPORTER
Have you ever searched something up, and seconds later got an advertisement for it? This is not a coincidence but a huge marketing ploy with many ordinary companies involved. These companies collect data to market certain products or services that they know you might be interested in. This is called big data. More recently, it has become ubiquitous due to the paramount rise in social media. Companies do this by looking at a wide range of personal items and collecting valuable information from your search history and your purchase history on your cards, to name a few.