A young girl is being bullied by her classmates. A recent study found that bullying among siblings can be worse than bullying at school.
Governments aren't the only entities which can use and access the digital information we generate online every day.
Corporations use big data to gather information about consumer preferences in order to sell products.
And now a 13-year-old schoolboy from Virginia is hoping to harness its power to tackle bullying, but experts warn that the well-intentioned project could also raise privacy concerns.
The BBC's Jane O'Brien has the report.