Fieldwork
2027
01
/
13
Main
stage
·
Talk
04
Speed
is
a
feeling
Mara
Ilunga,
Design
Lead
at
Tessel
Fieldwork
2027
02
/
13
The
problem
People
don't
measure
milliseconds.
They
measure
waiting
.
Fieldwork
2027
·
Where
waiting
starts
03
/
13
The
threshold
400ms
Where
waiting
starts
Below
it,
a
tap
feels
like
it
caused
the
change.
Above
it,
the
screen
feels
like
it
is
thinking.
Fieldwork
2027
·
Talk
04
04
/
13
What
we
tuned
for
Fast
feels
direct
.
Fieldwork
2027
·
Talk
04
05
/
13
What
we
tuned
for
Fast
feels
calm
.
Fieldwork
2027
·
Talk
04
06
/
13
What
we
tuned
for
Fast
feels
honest
.
Fieldwork
2027
·
Talk
04
07
/
13
What
we
tuned
for
Fast
feels
yours
.
Fieldwork
2027
08
/
13
01
Answer
the
tap
first
Fieldwork
2027
09
/
13
Three
rules
Before
you
add
a
spinner
01
Answer
the
tap
first
Fieldwork
2027
10
/
13
Three
rules
Before
you
add
a
spinner
01
Answer
the
tap
first
02
Move
what
will
change
Fieldwork
2027
11
/
13
Three
rules
Before
you
add
a
spinner
01
Answer
the
tap
first
02
Move
what
will
change
03
Never
block
the
next
step
Fieldwork
2027
12
/
13
“The
fastest
screen
is
the
one
that
already
knows
what
you
meant
.”
Mara
Ilunga
Design
Lead,
Tessel
Fieldwork
2027
13
/
13
Thank
you
Make
it
feel
instant
mara@tessel.example
tessel.example/speed