Hippies, the plural and collective form of hippy, appeared during the 1960s as the latest evolution of the Mazdakists in 6th century Persia, Merrymount colony in 1625, Walden Pond, the Bohemians of Europe in the 1840s and 50s, the Kibbutzniks at the start of the 20th century, and the Beat poets and musicians of the 1940s and 50s, In the 1960s a bi-coastal countercultural movement arose in North America that rejected the mores and foreign wars of the militant consumerist mainstream. By the early 1970s it had spread to nearly every other country.
It is still alive today, if you know where to look.
Time Magazine Article . We Owe It All To The Hippies by Stewart Brand
How The Hippies Influence(d) the internet