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Study finds 268% higher failure rates for Agile software projects
(www.theregister.com)
This is a most excellent place for technology news and articles.
Yeah. Which actually doesn't have to be bad as long as leadership accepts that this exploratory work (sometimes called a "spike") might have to be thrown away, if findings reveal better paths.
The trouble begins when you start shipping your proof-of-concepts (without immediately paying back that tech debt).
It very quickly becomes an unmaintainable mess.