Flickr
Used by 33 peopleflickr.com ↗

“I use Flickr for photo reference, with search results sorted by date uploaded.”
Taylor Dow Interview, Cartoonist, game designer, teacher · via Uses This 
“While iCloud is my primary photo backup, Flickr is the photo service I prefer for sharing.”
VM (Vicky) Brasseur Interview, Corporate strategist, open source expert · via Uses This 
“I use a lot of public-domain imagery in my designs; Flickr Commons is an absolute goldmine and I wish it well every day of my life.”
Zoya Feldman Interview, Designer, illustrator · via Uses This 

“I use Flickr for posting travel pictures and sharing them with family and friends.”
Kelly Townsend Jennings Interview, Process engineer (HeartFlow) · via Uses This 
“I use the camera on my phone and Instagram every day to post a gratitude photo (#365grateful), and I save those photos in Flickr, as well -- I've been using Flickr since before it was actually released, so it's the obvious place for me to archive images.”
Elizabeth Lawley Interview, Professor, School of Interactive Games and Media (RIT) · via Uses This 
“Skitch and Flickr are my power tools.”
Amber Case Interview, Cyborg anthropologist, UX designer · via Uses This 
“I use Flickr for sharing my pictures and my love affair with them is no secret either.”
merkley??? Interview, Photographer, artist · via Uses This 
“I slowly changed my career to photography through my use of Flickr where I can be found as Lomokev.”
Kevin Meredith Interview, Photographer, teacher · via Uses This 
“My name is Cal Henderson and I worked at Flickr for over 5 years as the head of engineering.”
Cal Henderson Interview, Web developer, professional asshat · via Uses This 
“I've had a Flickr pro account for a couple of years but I'm torn about continuing to use it since it's not open source.”
Máirín Duffy Interview, UI designer, usability tester (Red Hat, Fedora) · via Uses This