Unfortunately (for me) his answer was "All of them".
Please join the discussion at his site
Challenge accepted!
Given that I asked about four dimensions I think 16 "pitches" of less-than-140 characters will do for starters...The collection of Scrum Elevator Pitches
Please read the disclaimer below - don't use them literally- The physically realized earned value from delivering fully functional slices in scrum takes ROI from estimatable to measurable
MSLM: Management, Sell, Long term, Money - Proccesses like Scrum can help in the transformation of the whole organization towards lean by providing transparency throughout.
MCLM: Management, Convince, Long term, Money - By concentrating on the most valuable parts in shippable slices Scrum reduces time to market considerably - often to a few weeks.
PSLM: Users, Sell, Long term, Money - Instead of investing the subject matter expert's time in the test at the end Scrum involves him early to build a fitting product
PCLM: User, Convince, Long term, Money - One scrum project, budgeted for 10 Mio $ was ended after spending only 2 Mio $ – because it had delivered all the important features
MSSM: Management, Sell, Short term, Money - Scrum's focus on a "potetially shippable" increments ensures that the produced product-parts provide real value to the users
MCSM: Management, Convince, Short term, Money - The proven prioritization models of Scrum enable you to get high value from the development team early for your time investment
PSSM: User, Sell, Short term, Money - The continuous effort you put into specifications can be turned into continuously valuable and tangible results by Scrum
PCSM: User, Convince, Short term, Money - Scrum can give organizations the information they need for a fundamental reorientation - or help to make them ready for it
MSLB: Management, Sell, Long-Term, Buy-in - Having crunch times and lulls can be countered by adopting the basic Scrum rules - they create a self balancing, sustainable system
MCLB: Management, Convince, Long-Term, Buy-in - Getting Scrum to both sides - developers and users - gives users a real strong lever over the scope of the final delivery
PSLB: User, Sell, Long-Term, Buy-in - If all the effort that goes into upfront specs went into a Scrum-like collaboration the results would be closer aligned to the needs
PCLB: User, Convince, Long-Term, Buy-in - Scrum is a set of techniques that generates transparency and makes projects predictable and controllable again.
MSSB: Management, Sell, Short term, Buy-in - With scrum both parties of product development lay out rules that ensure - but also requires - mutual commitment and engagement
MCSB: Management, Convince, Short term, Buy-in - With Scrum you get the opportunity to set the direction of the development at least once a month.
PSSB: User, Sell, Short term, Buy-in - If you want to gain a real and direct influence over the priorities in the development team you might want to have a look at scrum.
PCSB: User, Convince, Short term, Buy-in
Explanation of the Dimensions: Audience, Goal, Timeframe, Required Action
Audience: [Management=M, user representative or possible Product owner=P]
Goal: [Sell=S, Convince=C]
Timeframe: [Long term=L, Short term=S]
Required Action: [allocate Money or resources=M, Buy in=B]
Disclaimer
These are examples of pitches for generic situations - don't use them! Forge your own given your specific situation and requirements.In my opinion there is no such thing as one right elevator pitch for anything - it's all about the context.