Discover and read the best of Twitter Threads about #chi2020

Most recents (4)

@nytimes on our Wearable Microphone Jammer (see it in action here: ). it uses ultrasound to disable surrounding microphones from recording you; lead by Heather Zheng & @ravenben with Yuxin Chen, Huiying Li, @tengshanyuan, Steven Nagels and I ->#chi2020 1/N
@nytimes @ravenben @tengshanyuan Here's how it works: sandlab.cs.uchicago.edu/jammer/ The engineering behind it allows us to get an awesome jamming coverage by making it #wearable : (1) any small movement decreases the impact of the typical blind spots that ultrasonic jammers have; and, (2) it jams in many directions!
@nytimes @ravenben @tengshanyuan What happens when you activate the jammer and talk to someone while surrounded by microphones? Those microphones capture noise rather than your voice, but you don't hear any jamming (it's ultrasonic). This means you speak freely but speech recognizers will fail to spy on you.
Read 6 tweets
Our 5th paper (cond) accepted to #chi2020 is "Optimal Sensor Position for a Computer Mouse"

If you turn your mouse upside-down, you'll see its position sensor. WHY is it where it is? We present a method for optimizing its position in task and improve user performance by 4-20% 1/
One might think that the mouse is studied through-and-through, being as well-established and old as it is.

But it's not!

Previous work has looked at everything from transfer functions to weight and shape, but the position of the location sensor has been overlooked 2/
Earlier and only published work was done with a ball sensor, and concluded that "moving the ball from back to front for better feel and performance", which we show not to be true universally

[Verplank and Oliver] "Microsoft mouse: testing for redesign"
3/
Read 9 tweets
Hey everyone! One of my professors in my PhD at @hcdeUW is somehow letting me turn in a tweet thread for my final paper...

So here's me reviewing 10 CHI (@sig_chi) papers about Twitter, on Twitter, to understand
1) why CHI people study Twitter, and
2) how they do it.
Before I get started, I want to highlight a Twitter feature I wasn't using before reading @brookeauxier et al "#HandsOffMyADA" paper. Alt text!

You can add alt text to Twitter images in the "Accessibility" section under your "Settings and Privacy" tab. Instructions below: The Twitter toolbar, from “Home” to “More.” More is labeled.Sub-menu, with “Setting and Privacy” labeled.Further sub-menu, with “Accessibility” labeled.Further sub-menu, with “Compose image descriptions” labeled.
I had always known about alt text, but I didn't think about it when it came to Twitter. As @colegleason et. al put it in the title of their paper on Twitter’s alt text:

“It’s almost like they’re trying to hide it"

cs.cmu.edu/~jbigham/pubs/… Screenshot of paper heading that reads: “It’s almost like they’re trying to hide it
Read 68 tweets
Are you a student attending your first conference? Here's some helpful tips I've picked up along the way. #CSCW2019
1. Say hi! I'm an ambivert and it takes me an incredible amount of energy to approach someone I don't know, for fear of an awkward conversation. But more than likely, if they're alone, they're also looking for someone to talk to. If in a group, pay attention to body language.
Are they facing outwards, and look welcoming to an outsider? Or are they old friends catching up with each other and huddled inwards?
Read 18 tweets

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