Interaction designers vs algorithms

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Image: Akritasa (cc)
Interaction designers 
versus algorithms
@gilescolborne

No matter how cool 
your user interface is, 
it would be better 
if there were less of it.
Alan Cooper
Algorithms and arti...

Spotify’s Discover
Weekly is one of it’s most
delightful and valuable
features, according to
users I’ve spoken to.
But it’...

Stuff that the user wants
goes here.
Maybe this sketch?
It looks like the real
work was being done by
the engineer who wro...

What about something
like this. I know people
who’ve spent a lot of
time figuring out how to
help users move through
this ...

Book me an off peak return from
Bath to London for next Tuesday
with a seat reservation on the way
back at 4:30.
Would you...

Here is exactly
what you need
right now
So now I’m wondering,
how much design will get
displaced by data
scientists and al...

Ariel Luenberger
Let’s imagine we’re
designing for a bus
company.
This chap needs to know
‘where’s my bus?’. How
could an ...

Imagine we have layers of data. We know when buses were late,
what the weather was like, locations of roadworks, traffic a...

Machine learning
is not magic
it’s engineering
Well, if you come up with an idea, you need to know enough
about algorithms...

Here’s the task. You have input data (weather, traffic patterns
and so on), an algorithm, and some outputs (is the bus lat...

You need to know what kind of output is useful to the user. Is it
enough to say ‘late?’ Or do you need to give a precise d...

The engineer chooses the algorithm and trains it by showing it
sample inputs (weather, traffic, etc.) and known outputs (w...

If your data is inaccurate (for instance the GPS doesn’t work well
in some areas) then your algorithm will learn to make i...

If your problem is complex and relies on lots of different data
sets, then you’re going to need more training data. That c...

High varianceHigh bias
If you don’t have an accurate algorithm, you can at least choose
how to be wrong. Biased consistant...

If the data in the layers is unnecessarily complex then the
algorithm may be unreliable, too. So rather than throw raw dat...

Do you need to know precise rainfall times, hour by hour, or just
‘did it rain in the morning’. That affects how much data...

At the end of this you’ll have a trained algorithm that delivers the
information you want based on the data you have. But ...

Ariel Luenberger
So we built a prediction
machine. All the way
through there’s a
dialogue between
designer and engineer
ab...

Perhaps as tools and APIs proliferate, designers will take on the
job of training algorithms. But the real place designers...

If you wrap up your
recommendations in
an interface that
promises human-
like interactions
with less than
human manners,
t...

Interfaces like this
offer suggestions in
a subtler, less pushy
way. Designing the
etiquette of
suggestions will be
import...

Book me an off peak return from
Bath to London for next Tuesday
with a seat reservation on the way
back at 4:30.
Would you...

You need a set of
training data -
transcripts of call
customer service
conversations.
You may need simplify
that data - fo...

And you need to think
how to set users’
expectations about
talking to a bot.
The adventure game
Lost Pig has you telling
a...

You’ll need to map out
conversations as
flowcharts. But there’s a
lot of copywriting you’ll
need to do around those
flows ...

Book me an off peak return from
Bath to London for next Tuesday
with a seat reservation on the way
back at 4:30.
Would you...

And what about Discover
Weekly? Well, a large
part of the design work
there was about
understanding how to
package up the ...

The designers made it
feel elegant and
approachable.
So our core skills are still
important. There’s a rich
future for int...

Image: Akritasa (cc)
Thank you
@gilescolborne

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