commercial success by looking for ‘desire lines’
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Commercial success by looking for ‘Desire Lines’. Carl Myhill (working for but not speaking for, General Electric, Network Reliability Products and Services). What Are Desire Lines?. Desire Lines are from Urban Planning. Kiwi desire line – QE2 Swimming Pool, New Brighton. - PowerPoint PPT PresentationTRANSCRIPT
Commercial success by looking for ‘Desire Lines’
Carl Myhill(working for but not speaking for, General Electric, Network Reliability Products and Services)
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What Are Desire Lines?
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Desire Lines are from Urban Planning
Kiwi desire line – QE2 Swimming Pool, New Brighton
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Desire Lines are from Urban Planning
QE2 Swimming Pool – new angle
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Desire Lines are from Urban Planning
Cambridge, UK – New Supermarket (2003)
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Desire Lines ‘Defined’
• 100 year old urban planning term
• Show where people naturally desire to walk
• A perfect expression of human natural purpose
• Great design pattern for path design (Christopher Alexander)
• A little known concept / term
• Misused concept by modern planners
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Have Urban Planners Lost the Plot?
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Extending the Concept – around town
Speed Bumps – 200m
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Desire Lines from Speed Bumps?
• 376 accidents involving cyclists in 2003 (50 serious, 1 fatal)
• 88% of accidents in County involve cars (including in contact with bicycles)
• 47% of accidents in Cambridge City involve bicycles
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Extending the Concept – around town
Combined Use Pedestrian and Cycle Bridge – 500m
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Extending the Concept – around town
Rising Bollards – 2000m
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Rising Bollard Desire Lines?
Rising Bollards – following an “authorised vehicle”
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BANKS’ CAR HIT BY BOLLARDS
4 October 2002
ENGLAND football hero Gordon Banks escaped injury when the car he was travelling in was impaled on rising bollards in Cambridge City Centre.
...the chauffeur says he will now sue Cambridge County Council for writing off his Mercedes.
A bollard pushed the Mercedes’ engine up through the bonnet, spilling hot oil across the road. He said, “My passengers were badly shaken, Mr Banks bumped his head.”
BOLLARDS CLAIM SECOND VICTIM IN 24 HOURS
18 October 2002
THE rising bollards on Cambridge’s Emmanuel Road have claimed a second victim in a 24-hour period.
A woman drove into the bollards at 2.20pm yesterday and complained of chest pains after the collision.
...County Council Engineers had to repair the damage from that incident, estimated at £600-£700...
Richard Preston, the council’s project manager, said there were no plans to put up more signs.
He said: “If people can miss six or seven signs, then they could miss nine or 10. In a lot of these incidents people are failing to look at any sign.”
“We are aware of a higher frequency of incidents of late.”
‘WHAT A LOAD OF BOLLARDS!’
18 June 2003
CAMBRIDGE’S notorious rising bollards have been given a top award by eurocrats in Brussels.
The traffic calming measures have claimed dozens of victims in the four years since they were installed.
Coun Shona Johnstone, the county council’s lead member for the environment and transport, said: “The accidents are getting less frequent. I think they deserve an award. They were controversial in the past but people have got used to them and can now see what the benefits are”
“Sue Hewitt, who manages the bollards for Cambridge County Council, admitted she was concerned at the number of accidents at the spot, but insisted drivers were to blame.” (Cambridge Evening News, 9/8/2001)
Rising Bollards – drivers to blame!
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Extending the Concept – around town
Speed Cameras – 6000m North
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Speed Camera Desire Lines?
Severe braking
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Speed Camera Desire Lines?
Skid marks
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Speed Camera Desire Lines?
Skid marks
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Speed Camera Desire Lines?
1,793 locations - 384 showed an increase in casualties(Daily Telegraph, 16/6/2004)
Susie Haywood, a spokesman, said: "The Government and the partnerships have an exceptionally long way to go to win the hearts and minds of motorists that cameras work to save lives and not just to make their wallets lighter."
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Extending the Concept – a around town
Speed Triggered Warning Sign – 6000m South
A polite non-threatening reminder to reduce speed.
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Extending the Concept – back home
Survey of 400 Cook tops for sale in the UK (2003)
86% - inappropriate mapping of controls to elements
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Extending the Concept – back home
Survey of 400 Cook tops for sale in the UK (2003)
4% - inappropriate mapping but elaborate visual aid
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Extending the Concept – back home
Survey of 400 Cook tops for sale in the UK (2003)
10% - good mapping
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Cook Top Desire Lines?
• 1959 study - errors associated with cook top layout up to 11% (Chapanis and Lindenbaum)
• 1979 Ray and Ray replicated the results reporting errors up to 19%
• 1997 UK Government report found:– Cooking to be the 2nd highest cause of
household fire
– Cookers left unattended – 75% of incidents
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Extending the Concept – in the air
US Visa Waiver I-94 Form
Common mistake made despite threatened delays for incorrect form completion
Also – Florida Ballot (2000)
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Extending Desire Lines to Computers
Analogous to a muddy track across a park- implications of human desire to interact a computer
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Security questions & failures
Security information sought – a specific date
Memorable date:
Security Question
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Security – desire lines?
Records of Login failures
Actually required? Correct date and precise string
23/7
23/07
7/23
07/23
23/7/68
7/23/68
23/07/68
07/23/1968
23/7/1968
23/07/1968
23 july 1968
23 July 1968
23 JULY 1968
23rd July 1968
23RD JULY 1968
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Dept. of Concealment - Support
‘Support’ tell users how to overcome problems - but not always.
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1. Plant grass. 2. Wait for paths to appear
Apple iTunes ‘Provide Feedback’ menu option
Few companies examine such desire lines
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Website Desire Lines
BBCi - Hourly look at desire lines & adapt UI, indexes, etc.
Auntie problem
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Website Desire Lines
Google Zeitgeist & recent Blogger acquisition – all desire lines!
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Rate this page / Was this review helpful?
Microsoft MSDN Knowledge Base – Rate this page
Making desire line explicit for user community benefit (Hill, Holland – “Digital Wear”)
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On-line Help
Does it help? Desire line...?
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Automated Teller Machines (ATMs)
Loose Design Pattern...
Card in
Enter Pin
Select Cash Amount
Card Out
[forced delay]
Cash Dispensed
Alternative...
Card in
Enter Pin
Select Cash Amount
Cash Dispensed
Card out
User goal satisfied BEFORE card returned – desire line?
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Natural SelectionDesire Lines show us ‘tracks’ left by natural human interactions
Perhaps design evolution has parallels with natural evolution
Capitalist economies arguably draw parallels with nature, maybe contributing to the commercial success of one design over another via natural selection
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Natural Selection
Focus on Desire Lines, and adapting designs in accordance with what we learn from them should lead to successful adaption
Survival of the fittest adaptions in the commercial context will perhaps become ever more evident
Who focuses on ‘desire lines’ now? Amazon, Microsoft, Apple, Google, Virgin, Smile – how are they doing?
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Natural Selection
Actually, why Darwin?
Don has provided us with a lens to focus our observations of people interacting with things
And terms to describe elements of those things, eg. ‘Affordance’
(And has inspired many of us to work in this field)
If our focus on people’s natural interactions with things, and our emotional responses, leads to designs evolving in the right direction, perhaps we should call this...
Normanian Natural Selection !!?
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Finally...
‘Desire Lines’ (the extended version) is a memorable concept reminding us about feedback
There is no rocket science here but most companies are not paying attention to this – WHY?
Even when desire lines speak of very serious consequences we still have a tendency to say ‘stupid user’ and not look to the design – WHY?
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Finally...
Smart, successful companies ARE paying attention to desire lines. But, typically in economics, such success factors are quickly copied – why is this not the case here?
Maybe it’s time for other companies to wise up and get on the right side of ‘Normanian Natural Selection’, for commercial advantage (!)