Links on Twitter: HuffPo’s huge, JLab announces New Voices winners, Stumbleupon signs 10 millionth user

Upon turning five, HuffPo receives the most magical gift of all: sustained traffic growth http://j.mp/9SlkcZ »

Welcome! RT @tkdallas: I’m now following @jayrosen_nyu‘s tweets. It’s official: I’m a @NiemanLab @poynter @romenesko @Publish2 journo nerd. »

Online, upstarts can still elbow their way in http://j.mp/bNnQ7f »

Congrats to @JLab‘s 2010 New Voices grant winners: 9 community news projects to receive @knightfdn funding http://j.mp/doHiqQ »

RT @on_the_media: Scientists develop algorithm that can recognize sarcasm. Wow. We’re soooooo impressed. http://is.gd/ceKIS »

Evan Williams on Twitter: "I don’t anticipate it being for sale–ever" (via @iwantmedia) http://j.mp/bcgxnk »

Can’t wait to start paying for Hulu? You’re going to have to wait a little longer http://j.mp/d7MI7k »

Stumbleupon, with a 118% active-user growth rate since 2009, signs up its 10 millionth user http://j.mp/alpdKr »

Kelly Bjorklund and Simon J. Smith

Evidence suggests Russia has been deliberately targeting journalists in Ukraine — a war crime

“It is essential — for us all — that the protections afforded to journalists under international law are scrupulously upheld, and those responsible for their deaths are caught and face the consequences.”

Sarah Scire

A paywall? Not NPR’s style. A new pop-up asks for donations anyway

“I find it counterproductive to take a cynical view on tactics that help keep high-quality journalism freely accessible to all Americans.”

Mark Schapiro

The story of InterNation, (maybe) the world’s first investigative journalism network

Long before the Panama Papers and other high-profile international projects, a global network of investigative journalists collaborated over snail mail.