After a flurry of tweets from Elon Musk in recent weeks, dogecoin, which launched in 2013 as a joke, has jumped in price from half a cent on Jan. 1 to ~8 cents (Wall Street Journal)

Wall Street Journal:
After a flurry of tweets from Elon Musk in recent weeks, dogecoin, which launched in 2013 as a joke, has jumped in price from half a cent on Jan. 1 to ~8 cents  —  Cryptocurrency that started in 2013 as a joke is suddenly worth a total of more than $6 billion