Vasco Duarte

@duarte_vasco

Agile, Lean and Scrum Speaker. Author of Podcast host for

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softwaredevelopmenttoday.com/?utm_source=tw…
Registrerte seg november 2007
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  1. Festet tweet
    7. mai 2019

    Where can you find well over 200h of audio content on any topic you can imagine? Here: The largest audio library on Scrum on the Internet (and probably the largest of any kind)

    8 retweets 20 liker
    Angre
  2. for 3 timer siden

    : we believe the future will yield surprises, therefore we must be ready to change (substantially) any plans Waterfall: we believe we can know the future well enough to make BIG BETS based on those plans Which is more likely to reflect reality?

    2 retweets 5 liker
    Angre
  3. for 4 timer siden

    It is incompetent to *mitigate* risks that can be removed. For example, removes the risk of having nothing to release by the deadline. We are always ready to release. Here's another way to remove risk of failing to deliver:

    3 liker
    Angre
  4. for 6 timer siden

    You don't die from the risks you know (being late on a project), you die from the risks you don't know (delivering the wrong product, or failing critical aspects like the Boeing 737Max)

    1 retweet 4 liker
    Angre
  5. for 7 timer siden

    Estimation increases risks in Software projects by promoting early optimization, non negotiable commitments and defensive behaviors in team members. With we focus on *eliminating* certain classes of risk by promoting shorter delivery times, and constant adaptation

    2 retweets 7 liker
    Angre
  6. for 8 timer siden

    Estimation cannot reveal risks hiding inside the team. It fails at the most essential aspect of SW development: test the capability to deliver we favor *actual* delivery of SW as measure of progress and source of data. Data is actionable

    1 svar 1 retweet
    Angre
  7. Retweetet
    13. apr.

    Remote work is just a longer chain if you keep on selling your time. Exploit this lockdown to launch a final crackdown on badly-designed contracts. Sell the value of your work!

    4 retweets 7 liker
    Angre
  8. for 24 timer siden

    Also applicable to estimates

    "We are obsessed by prediction while we should focus on what our exposure to uncertain outcomes is all about. What matters is not, say, the uncertain outcome x but how it affects us." --From Convexity and Conflation Biases
    3 liker
    Angre
  9. Retweetet
    13. apr.

    George Mathews shares some important lessons about being a in a project-driven organization. a conversation

    2 retweets 2 liker
    Angre
  10. 13. apr.

    Almost agreed with this tweet: Confidence factors are dangerous when the downside is ruin (think with a survival rate of 5/6! But dead if you are "unlucky") Never plan to fail!

    Estimates just don't work. They never have. It is a lie that we tell for fake comfort. It's not our fault. The world has conditioned us to believe that estimates have some kind of value. When asked to estimate, I usually reply with a confidence factor.
    Vis denne tråden
    1 liker
    Angre
  11. Retweetet
    12. apr.

    We should stop trying to mimic manufacturing industries. Manufacturing is typically a repetitive process. Software developers never deal with the same problem twice. is an exploration process, which makes estimates inaccurate by definition

    Estimates just don't work. They never have. It is a lie that we tell for fake comfort. It's not our fault. The world has conditioned us to believe that estimates have some kind of value. When asked to estimate, I usually reply with a confidence factor.
    Vis denne tråden
    1 svar 1 retweet 12 liker
    Angre
  12. 13. apr.

    When we use models to manage a system (like project management + estimates), the system becomes as fragile as the model itself. I call this borrowed fragility.  Be careful which models you choose to use!

    2 retweets 3 liker
    Angre
  13. Retweetet
    12. apr.

    Trying to validate a business idea before it's on the market is like trying to validate a lottery ticket before the draw. You can't ignore uncertainty in a randomness-laden venture. Validation is an invalid concept in these activities.

    18 svar 36 retweets 267 liker
    Angre
  14. 12. apr.

    : when a single observed data point invalidates all previous models. This is what happens in estimation. shows in painful detail what estimates do: create a false sense of security, which support invalid models. Then, something happens and BOOM!

    1 svar 2 retweets 5 liker
    Angre
  15. 12. apr.

    The current race to find a drug that helps in shows how the pharma industries use media to discredit some (Raoult's trial with Chloroquine in Marseille) and push someone else's agenda. Don't trust the media, do your own research if you care!

    Chloroquine: Does Big Pharma owns the media? + Studies are said to be "not rigorous" when it comes to Chloroquine in spite of robust statistical signal + Studies w/less rigor and significance are promoted when it comes to drugs by Gilead Note: Chl was OTC, costs 1 Euro a pack.
    Vis denne tråden
    1 liker
    Angre
  16. Retweetet
    11. apr.

    At my son's hospital, they are wearing frickin' cloth masks while our country sends masks to Israel. We are supplying his department with masks free but I am pissed that hospitals all over the country do not have PPE while Kushner & co. export.

    11 svar 23 retweets 145 liker
    Angre
  17. Retweetet
    10. apr.

    How great amplify a team productivity by building a trustful relationship with the team a conversation with

    4 retweets 6 liker
    Angre
  18. Retweetet
    9. apr.
    Svar til

    Using story points within a team is 1 small thing. Mandating a fixed number of points per-sprint across all teams is quite something else.

    1 svar 2 retweets 11 liker
    Angre
  19. Retweetet
    9. apr.
    Svar til

    But this is not bad. The road to leads through story points. It is a normal iteration 🙂

    1 svar 1 retweet 6 liker
    Angre
  20. Retweetet
    6. apr.

    We process payments for small biz. We're losing $50k/day As CEO, the capitalist math said to lay off 20% of staff + hike fees on struggling small biz Instead I asked employees what THEY would do. 98% volunteered a pay cut. In solidarity I cut mine to $0

    31 svar 187 retweets 729 liker
    Angre
  21. Retweetet
    9. apr.

    , anoften forgotten practice, can significantly improve team performance, and more! In this with we explain how they can enable better

    3 retweets 4 liker
    Angre

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