How fitting for a social network service for social good to launch on Martin Luther King Day. Created by millennials to have "a positive ripple effect," its name, RIZZARR.com, comes from the Spanish verb "rizar," which means "to ripple or ruffle the surface." "Our goal is to provide a positive, globally connected platform where both inspirational news and content from Millennials are shared" by … [Read more...] about Millennials’ startup: Social change in a social-networking skin