![Ten years ago today Chris Messina posted the first hashtag on Twitter: How do you feel about using # (pound) for groups. As in #barcamp [msg]?](http://wfdd-live.s3.amazonaws.com/images/story/HappyBirthday-Quintessential-Twitter-Feature-Turns-10--545630357-1503530133.jpg)
#HappyBirthday: Quintessential Twitter Feature Turns 10
Originally envisioned as a method of organization, the hashtag has gone from an obscure idea to an indelible part of our communication landscape.
Business
New Yorkers Mourn End Of An Era As 'Village Voice' Ceases Print Edition
On Tuesday, the famed alt weekly announced it would be ending its free weekly print edition. The publication was purchased by Peter Barbey in 2015.
Harvesting Salt By Hand Is Making A Comeback In France
Since the seventh century, salt has been raked in and collected from shallow pools in marshes on the French coast. Refrigeration almost killed the industry, but the local food movement is reviving it.
Walmart, Google Join Forces In Online Fight Against Amazon
The world's largest retailer will hawk its products on Google Express for the first time, in a play to get a bigger chunk of the growing voice-enabled shopping market currently dominated by Amazon.
Headless Torso ID'd As Reporter Who Died Aboard Inventor's Personal Sub
Peter Madsen and the journalist set out alone in his submarine. Within days, the sub had sunk and Madsen had admitted that Kim Wall died aboard. Now, police say remains that washed ashore are hers.
Why Donald Trump Likes To Surround Himself With Generals
High-level military brass may be able to bring discipline and order to an administration that sometimes has appeared to lack them.
Unlikely Allies Join Fight To Protect Free Speech On The Internet
After big tech companies took action to take down white supremacist content, there have been calls for the government to step in to protect free speech from the right and left.
Does Baby Powder Cause Cancer? A Jury Says Yes. Scientists Aren't So Sure
Scientists have found an association between talc and ovarian cancer, but they don't agree on exactly what that means.
Dakota Access Pipeline Owner Sues Greenpeace For 'Criminal Activity'
Energy Transfer Partners alleges Greenpeace and other "eco-terrorist groups" tried to block its pipeline with "campaigns of misinformation." Greenpeace says the suit is a bid to "silence free speech."
Scientists Hope To Farm The Biofuel Of The Future In The Pacific Ocean
International research labs are using seaweed to make biofuel, but little progress has been made in the U.S. Now scientists in California are developing a prototype to enable vast open-ocean farming.