the future

Social media are interactive digitally-mediated technologies that facilitate the creation or sharing/exchange of information, ideas, career interests, and other forms of expression via virtual communities and networks.[1][2] While challenges to the definition of social media arise due to the broad variety of stand-alone and built-in social-media services currently available, there are some common features:

a solar cell is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect which is a physical and chemical phenomenon

future technology that will change the world