Meet the influencers who are fighting the spread of online conspiracy theories

In India, videos made about the many social problems are secretly broadcasted in different villages to make people aware of the real problem and also aware of what they can do to fix it. Video Volunteers, an organization that coordinates these video productions, catalyzes community change through transparency and accountability.

Americans often want to connect to a cause beyond writing a check. Crowdsourcing is creating new forms of philanthropy globally, giving donors more choice and a stronger connection to the projects they fund.

Harassment on the internet is more accepted but just as harmful as it is in person. RiotGames, a game publisher, decreased abuse by enabling its gaming members to decide and enforce community norms.

Sexual assault, rape, and sexism are social problems that young women face and many feel powerless to create change. Non-profit organizations such as SPARK and WAM have trained teenage girls to be advocates for themselves. Online campaigns and social media have also made teenage girls feel empowered to express themselves and make social change.

The ability of social media and online civic participation to impact law and politics is still developing, but one social media tool - Friendfactor - was used successfully in New York to help bring about the passage of Gay Marriage Equality. It may be an indicator for how powerful platforms like this one will continue to play a role in societal growth and change.

Colorful volumes of books have aided teaching for centuries; however, the scope of engagement in the internet age demands newer methods for pedagogy. Pinterest, a social media-constructed visual bulletin board, has become a venue in which teachers share their pinned visual media, lesson plans, and charts with students and other teachers. The success of Teaching Pinterest expands pedagogy, reduces teacher alienation, enables collaboration with other teachers, and directs readers to other sites that offer teachers’ curriculum ideas for a cost.

In war zones, people have a difficult time finding clean water and safe areas to inhabit. Social media, smart phones, and technology applications are aiding in people’s survival. In Aleppo, Syria, the International Committee of the Red Cross posted a map on Facebook to show alternative sources of clean drinking water that reached approximately 140,000 people.

In Iowa, the “redistricting” of the state’s legislative and congressional boundaries is done by mapmakers who abide by nonpartisan metrics that all sides agree are fair — a seemingly revolutionary concept in the high-stakes decennial rite of redistricting.

The Center for Applied Nonviolent Action and Strategies provides a "blueprint" for peaceful and democratic revolution, busting myths about the process of nonviolent revolt and helping dissidents in countries around the world to accomplish political goals, such as fighting corruption or protecting the environment.

Two columns on how Iran is treating its massive epidemic of injecting drug use by tackling it as a health problem, effectively lowering H.I.V. rates among drug users using an approach to drugs known as harm reduction.