by Marcus

Notes on software, work, and leadership.

AI

4
  1. Thoughts on AI: Shallow vs Deep State

    AI works well when a task depends on visible local context. It struggles when correct behavior depends on years of hidden decisions across a codebase.

    2 min read
  2. Thoughts on AI: On Slop

    AI made software production much cheaper. It did not make people better at deciding what is worth building, which is where most slop begins.

    2 min read
  3. Thoughts on AI: Vibe Coding, Revisited

    Better AI tools changed the cost of code generation, but not the need for ownership. Our rule is simple: whoever merges AI-generated code owns it.

    2 min read
  4. Thoughts on AI: Vibe Coding

    AI can write code faster than I can, but heavy use has a hidden cost. It can prevent developers from building the understanding they need when the code breaks.

    2 min read

Software

6
  1. Sorting Cardboard Boxes

    Asking for a software estimate before understanding the work is like asking someone to sort a sealed box. A precise answer does not make the unknowns disappear.

    1 min read
  2. Keeping Things Simple

    In software projects, many factors can overshadow the goal of keeping things simple. Technical and non-technical folks often sacrifice simplicity for ha...

    1 min read
  3. Reframing 'Best Practices'

    'Best practice' is widely used and accepted as describing the optimal solution. However I believe this term can often mislead us more than guide us. It'...

    1 min read
  4. Favorite Color Problems

    def sum_list_for(nums): total = 0 for num in nums: total += num return total # vs def sum_list_while(nums): total, i = 0, 0 while i < len(nums): tota...

    2 min read
  5. Software and Communication

    Many software developers believe that programming is primarily focused on problem solving. I believe that software is more about communication. When we...

    1 min read
  6. Software Development Principles

    Our team reduced a broad discussion about maintainable software to two principles: minimize complexity and optimize for readability.

    1 min read

Leadership

12
  1. Meaningful Output

    Organizations should compare meaningful output with the resources used to produce it. Processes become harmful when they increase support work at the expense of the main work.

    1 min read
  2. Modes of Communication

    Communication tools have different strengths. Choose one based on whether the conversation must be permanent, quick, detailed, or easy to share.

    2 min read
  3. One on One Notes

    One-on-one meetings work best when managers use them to build trust, follow through on concerns, and give reports a safe place to speak directly.

    2 min read
  4. Meeting Signal Ratio

    Meeting Signal Ratio is the share of a meeting that is useful to each attendee. Improving it requires fewer attendees, clear meeting types, and better preparation.

    2 min read
  5. Reconciling Timelines in Business

    Businesses need plans, but software progress is difficult to predict. Teams should use timelines as planning tools and measure whether work produces useful outcomes.

    2 min read
  6. Agile vs Waterfall - The Road Trip Analogy

    Over the years I've seen a lot of confusion around Waterfall and Agile approaches. I wanted to provide a high-level analogy to help people understand th...

    2 min read
  7. Why Suboptimal Solutions are Implemented

    A solution can be poor for the system and rational for the person choosing it. Fear, incentives, learning, and novelty often explain decisions that look incompetent.

    2 min read
  8. Software vs Product Engineers

    I use software engineer and product engineer to describe two ways of working. The main difference is how much product ambiguity someone is expected to resolve.

    2 min read
  9. The Cost of Processes

    A process can be useful by itself and still make a team less effective when combined with every other process. The hidden costs are time, attention, and context switching.

    2 min read
  10. Effective Meeting Tips

    Consider whether you really need the meeting or whether a message or e-mail would be more appropriate. Determine what type of meeting it is. Presentatio...

    1 min read
  11. Effective Directorship Tips

    Work streams should always be ranked, so there is no ambiguity about priorities. If everything is important, nothing is important. Attempt to limit conc...

    1 min read
  12. Effective Management Tips

    Manage your own anxiety before you start managing other people. Don't worry about how people are getting things done, just that they are. People will of...

    1 min read

Work

6
  1. Cultivation

    Skills, hobbies, and relationships change based on the attention they receive. The useful question is whether your attention matches your values.

    1 min read
  2. The Math of Collective Success

    Small individual efforts can produce a much larger shared result when each person does their part. Half effort gives up most of that return without saving much work.

    1 min read
  3. PMS Framework

    Skill grows from preparation guided by a clear standard. Decide how good you want to become, then prepare in ways that close the gap.

    2 min read
  4. Daily Notes

    I keep one running note for each day. It helps me plan work, remember decisions, and write useful summaries without maintaining a separate task system.

    2 min read
  5. Information Consumption Efficiency

    Recently I've been thinking a lot about how to consume information more efficiently. Historically my primary method of consuming information around my i...

    2 min read
  6. Energy Management

    I usually have enough time to work toward my goals. What I run out of is energy. I use three categories to decide how to spend and restore it.

    2 min read

Business

2
  1. Two Climbers

    One person starts before understanding the risk. Another plans until the risk prevents them from starting. Progress requires enough preparation and a willingness to learn on the way.

    1 min read
  2. Ideas are 1%

    A business idea has little value without the ability to execute it. A short set of questions can expose whether an idea is ready to become a product.

    2 min read