IBM's Watson analyzes a Twitter account of an unnamed user, breaking down needs, values and five personality traits: openness, conscientiousness, extroversion, agreeableness, neuroticism (aka emotional range).
There are a lot of ways to donate to a cause online. While using social media may help in promotion, it may not be the most effective way to get people to actually give.
A man plays piano near the Bataclan theater in Paris on Saturday, the day after a series of attacks on the city resulted in the deaths of at least 120 individuals. At least 80 people died inside the Bataclan.
Kenzo Tribouillard/AFP/Getty Images