100% 75% 50% 25% 0%IE5 IE7 IE8 IE9 IE10 Conservative accountants who assign zero values to many intangible benefits prefer being precisely wrong to being vaguely right.

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Transcript 100% 75% 50% 25% 0%IE5 IE7 IE8 IE9 IE10 Conservative accountants who assign zero values to many intangible benefits prefer being precisely wrong to being vaguely right.

100%
75%
50%
25%
0%
2012
2013
2014
IE5
IE7
IE8
IE9
2015
IE10
2016
Conservative accountants who
assign zero values to many
intangible benefits prefer being
precisely wrong to being vaguely
right.
low
medium
infrastructure
platform
new
sustaining
system of record
system of differentiation
vb6
buddy holly
betamax
windows xp
hyundai
bmw
chrome
firefox
Prior Probability
Initial estimate of incompatibility
x
20%
A new event occurs: tools data
Probability app is broken
y
85%
Probability app works
Z
15%
Posterior Probability
Revised estimate app is broken
š‘„š‘¦
š‘„š‘¦ + š‘§(1 āˆ’ š‘„)
59%
Prior Probability
Initial estimate of incompatibility
x
8%
A new event occurs: tools data
Probability app is broken
y
60%
Probability app works
Z
40%
Posterior Probability
Revised estimate app is broken
š‘„š‘¦
š‘„š‘¦ + š‘§(1 āˆ’ š‘„)
12%
Prior Probability
Initial estimate of incompatibility
x
25%
A new event occurs: tools data
Probability app is broken
y
30%
Probability app works
Z
70%
Posterior Probability
Revised estimate app is broken
š‘„š‘¦
š‘„š‘¦ + š‘§(1 āˆ’ š‘„)
13%
Prior Probability
Initial estimate of incompatibility
x
5%
A new event occurs: tools data
Probability app is broken
y
30%
Probability app works
Z
70%
Posterior Probability
Revised estimate app is broken
š‘„š‘¦
š‘„š‘¦ + š‘§(1 āˆ’ š‘„)
2%
the world is too
complex for certainty
No down-level testing
ā€œDCPā€ is now just inventory collector
Testing happens on target OS
Compatibility Monitor
Monitor for issues when testing applications
Gather data and send to be put in ACT DB
ļø used a tool
i believe i can do this
0.7
% of increase in performance effort
0.6
0.5
0.4
0.3
0.2
0.1
0
goals and feedback
goals
feedback
control
unintended
consequences
nutrition
women
equality