Telos by Shrikant Kumar
Latest
  1. The Library in the Air
  2. A Factory for Other People’s Ideas
  3. The Blue Dot
  4. Paying a Stranger
  5. A Computer of One’s Own

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#Systems Design

The architecture decisions that decide what a system can and cannot become.

13 products · latest update first

A circular wafer on a dark field, notched at the bottom and divided into a grid of small square dies, each marked with a faint pattern of lines, squares or circles in violet, amber or pale cream, while dozens of thin curved lines run in from scattered points on the left and right edges and converge on the wafer’s rim.
Updated 24 Oct 2026

1958 → 2026

Chip Foundries

A Factory for Other People’s Ideas

56 min read Hardware History of Computing
Scattered pale points on the left and right of a dark field, linked by dozens of thin amber curves that all pass through a single glowing switch at the centre, marked with two arrows pointing in opposite directions and ringed in violet.
Updated 22 Oct 2026

c. 3000 BCE → 2026

Digital Payments

Paying a Stranger

44 min read Communication Systems Design
Concentric dashed ellipses labelled kernel, drivers, services and programs surround a glowing core, with many small windows labelled with process numbers orbiting around it.
Updated 22 Oct 2026

1956 → 2013

Operating Systems

A Computer of One’s Own

25 min read Systems Design History of Computing
A grid of app tiles enclosed by a violet wall in a dark field, with a single narrow amber gate on the left side through which dozens of thin amber paths converge from scattered points outside.
Updated 22 Oct 2026

1912 → 2026

App Stores and Platforms

The Walled Garden

33 min read Interface Design Ethics
A small dashed square with a circular arrow at the centre of a dark field, surrounded by a widening elliptical spiral of small amber dots, one for each monthly payment, with brighter dots once a year forming a vertical line.
Updated 22 Oct 2026

1960s → 2026

Subscription Software (SaaS)

Software You Never Own

47 min read Productivity Tools Systems Design
Irregular amber lines wander from scattered points on the left of a dark field and converge into a rigid violet grid of identical square cells on the right. A few small dashed amber circles float between them, belonging to neither.
Updated 22 Oct 2026

1911 → 2025

Enterprise Software (ERP)

The Company Inside the Machine

33 min read Systems Design Data
Rows of small stall outlines receding into the dark, each showing a row of five dots, some lit amber like star ratings. In the front row, one stall is outlined in violet and glows, with all five dots lit.
Updated 22 Oct 2026

Antiquity → 2025

Online Marketplaces

The Bazaar Without Walls

38 min read The Web Ethics
A single amber line of commits runs across a dark field from left to right. Violet branches split off it, run alongside, sometimes merge back, and multiply towards the right until the field is crossed by many parallel lines.
Updated 22 Oct 2026

1950s–1960s → 2025

Open Source Software

The Gift That Runs the World

36 min read Programming Open Standards
A series of nested rectangles, each a machine inside the one around it, growing brighter toward a small glowing innermost machine labelled with a question mark about its privilege; four smaller machines sit beside the outer layers.
Updated 22 Oct 2026

1961 → 2025

Virtualization

Machines Inside Machines

32 min read Systems Design History of Computing
A pendulum hangs from the top centre, swinging between a server rack on the left and a browser window on the right, with faint earlier positions marked 1995, 2005, 2013 and 2021.
Updated 22 Oct 2026

1993 → 2024

Web Frameworks

Where Should the Program Run?

25 min read Programming The Web
On the left, small record boxes tangled in curved pointer chains. In the centre, a clean lit table with a SQL query above it. On the right, a column of numbered log lines.
Updated 22 Oct 2026

1890 → 2024

Databases

Who Has to Know Where the Data Lives?

46 min read Data History of Computing
A chip die made of a twelve-by-twelve grid of cores glowing amber at the centre, with faint vacuum tubes on the left, rows of server racks on the right, and a violet curve that rises steeply and then flattens.
Updated 22 Oct 2026

1936 → 2024

Compute

The Universal Machine and the End of the Free Lunch

23 min read Hardware Systems Design
A large golden @ sign glows at the centre of a dark field. Around it, dozens of small circles, each a separate mail server, are joined by thin lines, and tiny envelopes travel along the lines between them.
Updated 22 Oct 2026

1965 → 2026

Email

An Address Anyone Can Write To

52 min read Communication Open Standards

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