Professor Jeffrey Sachs has been awarded the UCD Ulysses Medal for his global contribution. He is widely considered to be one of the world’s leading experts on economic development, global macroeconomics, and the fight against poverty. His work on ending poverty, overcoming macroeconomic instability, promoting economic growth, fighting hunger and disease, and promoting sustainable environmental practices, has taken him to more than 125 countries with more than 90 percent of the world’s population.

A whistleblower at data analytics company Cambridge Analytica says the UK firm received more than 50 million Facebook user profiles without user consent and the data was later used for political gain. CNET's Ian Sherr explains.