Gadgets – TechCrunch - Monday, 12 November 2018 at 8:55 AM

Alibaba made a smart screen to help blind people shop and it costs next to 
nothing

Just a few years ago, Li Mengqi could not have imagined shopping on her own. 
Someone needed to always keep her company to say aloud what was in front of 
her, who’s been blind since birth.

When smartphones with text-to-speech machines for the visually impaired 
arrived, she immediately bought an iPhone. “Though it was expensive,” Li, a 
23-year-old who grew up in a rural village in eastern China’s Zhejiang 
province, told me. Cheaper smartphone options in China often don’t have good 
accessibility features.

Screen readers opened a plethora of new opportunity for those with visual 
impairments. “I felt liberated, no longer having to rely on others,” said Li, 
who can now shop online, WeChat her friends, and go out alone by following her 
iPhone compass.

Reading out everything on the screen is helpful, but it can also be 
overwhelming. Digital readers don’t decipher human thoughts, so when Li gets on 
apps with busy interfaces, such as an ecommerce platform, she’s bombarded with 
descriptions before she gets to the thing she wants.

Over the past two years, Alibaba’s $15 billion R&D initiative Damo Academy has 
been working to improve smartphone experience for the blind. Its latest answer, 
a joint effort with China’s prestigious Tsinghua University, is a cheap 
silicone sheet that goes on top of smartphone screens.

Li is among the first one hundred visually impaired or blind users to trial the 
technology. Nothing stands out about the plastic film – which cost RMB 0.25 or 
3.6 American cents each to produce – until one has a closer look. There are 
three mini buttons on each side. They are sensory-enabled, which means pressing 
on them triggers certain commands, usually those that are frequently used like 
“go back” and “confirm”.

“It’s much easier to shop with the sheet on,” said Li. Having button shortcuts 
removes the risk of misclicking and the need for complex interactions with 
screens. Powering Smart Touch is human-machine interaction, the same technology 
that makes voice control devices possible.


Alibaba’s $1 “Smart Touch” plastic sheet helps smoothen smartphone experience 
for the visually impaired. / Photo credit: Alibaba

“We thought, human-machine interaction can’t just be for sighted people,” Chen 
Zhao, research director at Damo Academy told TechCrunch. “Besides voice, touch 
is also very important to the blind, so we decided to develop a touch feature.”

Smart Touch isn’t just for fingers. It also works when users hold their phones 
up to the ears. This lets them listen to text quickly in public without having 
to blast it out through speakers or headphones. Early trials of ear touch show 
a 50 percent reduction in time needed to complete tasks like taking calls and 
online shopping, Alibaba claims.

Emotions also matter. People with visual disabilities tend to be more cautious 
as they fumble through screens, so Smart Touch takes that into account. For 
instance, users need to double-click on the silicone button before a command 
goes through.

At the moment, Smart Touch works only on special editions of Alibaba’s two 
flagship apps, e-commerce marketplace Taobao and payment affiliate Alipay. The 
buttons automatically take on different functions when users switch between 
apps.

But Zhao said she wanted to make the technology widely available. Some 
tinkering with existing apps will make Smart Touch compatible. The smart film 
requires more testing before it officially rolls out early 2019, so Damo and 
Tsinghua have been recruiting volunteers like Li for feedback.

“Unlike with regular apps, it’s hard to beta test Smart Touch because the blind 
population is relatively small,” observed the researcher, but embedding the 
technology in popular apps could speed up the iteration process.

There’s also the issue with distributing the physical sheets. According to 
state census, China had around 13 million visually impaired people in 2012. 
That’s about one in a hundred people. However, they are rarely seen in public, 
as a post on China’s equivalent of Quora points out.

One oft-cited obstacle is that most roads in China aren’t disability-friendly, 
even in major cities. (In my city Shenzhen, blind lanes are common but they 
often get cut off abruptly to make way for a crossing or a bus stop.)

Damo doesn’t plan to monetize the initiative, according to Zhao. She envisions 
a future where her team could give out the haptic films — which can be mass 
produced at low costs — for free through Alibaba’s expanding network of 
brick-and-mortar stores.

Time will tell whether the accessibility scheme is more than public relations 
fluff. Initiatives around corporate social responsibility have mushroomed in 
China in recent years. They have come under fire, however, for being transient 
because many merely pander to the government’s demand (link in Chinese) for 
corporate ethics overlook long-term impact.

“The technology is ready. It just takes time to test it on different 
smartphones and bring to users at scale,” said Zhao.

https://techcrunch.com/2018/11/11/alibaba-haptic-button-blind-shopping/

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