Reciprocity Decay

Our desire to give back wanes rapidly with time - Why if you want people to return a favor, you need to act fast

Our desire to give back wanes rapidly with time - Why if you want people to return a favor, you need to act fast

“That’s just one person” and “Our real users aren’t like that” are common objections to findings from qualitative usability testing. Address these concerns proactively to ensure your research is effective.

Nine interesting markets to track in 2019.

From Black Panther to Clueless, Dazed and Confused to Purple Rain, the music that has defined modern filmmaking

A quiet Sunday night in 1953. The Dodgers had just won the pennant. J.F.K. and Jacqueline Bouvier had just married. And four titans of bebop came together in a dive bar for a rare jam session.
A PBS documentary concerning the disparity between those who have advanced technology and those who still live primitively.

Part 1: The Conceptual Landscape

Veteran blues-rock powerhouses Susan Tedeschi and Derek Trucks return with an impassioned new album, informed by the deaths of several mentors and family members.

The most commonly used introduction to signaling, promoted both by Robin Hanson and in The Art of Strategy, starts with college degrees. Suppose, the…

A way to communicate, quantify, validate, and design for a Job to be Done
Express and receive communication empathically using the four-part Nonviolent Communication process developed by Marshall B. Rosenberg, Ph.D.

With a ROC curve, you’re trying to find a good model that optimizes the trade off between the False Positive Rate (FPR) and True Positive Rate (TPR). What counts here is how much area is under the curve (Area under the Curve = AuC). The ideal curve in the left image fills in…
Mouser has solutions to increase productivity, reduce manual data entry and optimize time generating POs with our Electronic Order Automation Services.

DigiKey offers a complete set of APIs to share information and automate the ordering process.

It can be more flexible to predict probabilities of an observation belonging to each class in a classification problem rather than predicting classes directly. This flexibility comes from the way that probabilities may be interpreted using different thresholds that allow the…
Sharded databases have been receiving lots of attention in recent years, but many don’t have a clear understanding of what they are or the scenarios in which…

CSS Grid is fun to use but hard to learn. Here are three tips to help you understand and leverage the Grid spec.
27K votes, 533 comments. 21M subscribers in the dataisbeautiful community. DataIsBeautiful is for visualizations that effectively convey information…

A rigorous process for navigating strategic decisions can mitigate errors and improve judgment.

But can it be grown anywhere else?

The typical goal of search engine optimization is to have your site's pages show up on a Google results page in answer to a query. But there are pages that should not be included in search results. Removing them from Google's index might actually increase search engine traffic.

Dollar Tree has struggled to grow Family Dollar because of its different business model.

From 2019: How Niki Nakayama’s kaiseki restaurant became a highly coveted reservation in L.A.

A football route tree consists of a single straight line with other lines branching off it, depicting the various possible routes. Here is what a basic football route tree looks like.

The long read: When Aldi arrived in Britain, Tesco and Sainsbury’s were sure they had nothing to worry about. Three decades later, they know better

In 2017, the Hall of Fame Louisville coach’s career collapsed under a string of scandals, leading to his firing from the school he had coached for 16 years. Now, Pitino is finding himself in Greece, coaching Panathinaikos, working for a self-styled Bond

A guided walkthrough of how to use the Prophet python library to solve a common forecasting problem.

Elon Musk’s SpaceX is winning the space race. His secret to success lay in the iterative development process, borrowed straight from the software industry.

Why we should ask people to submit problems, not ideas
We first shared this post in early 2019, long after the peak of the adult coloring fad . But desperate times call for desperate measures, and a globa
Duster was a small, largely forgotten band from the late ’90s. Then their legend began to grow on sites like Discogs. Now, they’re the subject of a major reissue. The internet made it all possible.

Meditations is a series of personal writings by Marcus Aurelius, Roman Emperor from AD 161 to 180, recording his private notes to himself and ideas on Stoic philosophy.

The best beach camping in California

A writer never knew her family’s house on St. Thomas, in the U.S. Virgin Islands, but discovering it, and her history, became an obsession.

Last week we hosted over 130 experimenters at Optimizely HQ in San Francisco for our first live event of the year. We were lucky enough to be joined by two...

How to use polynomials to share secrets, and how to verify that the secret has been shared without unlocking it.

A recent EY survey found that more than 40% of U.S. respondents reported feeling physically and emotionally isolated in the workplace. This group spanned generations, genders and ethnicities. People want more connection with those they work with. So how can companies connect…

I've long been impressed by shell one-liners. They seem like magical incantations. Pipe a few terse commands together, et voilà! Out pops the solution to a problem that would seem to require pages of code. Are these one-liners real or mythology? To some extent, they're both…

Plus, explosive photography from Austin, instrumentals from Billy Preston, and a podcast investigation of Anna Nicole Smith.

Thousands of French people are coming to live in Quebec and discovering that a common language doesn’t necessarily mean a common culture.

Building a community is an essential step in establishing any company or brand as a leader in its respective industry. A brand community gives your

Color constancy continues to confound us.
Done right, GIST keeps the team, management and stakeholders aligned on the why (goals), what (ideas) and how (steps and tasks), and every task we execute is connected to a business goal. A full quarterly plan creates a GIST tree per goal:
As customers unsubscribe, companies like Blue Apron and Hello Fresh look for salvation at the grocery store

32K subscribers in the elixir community. Subreddit for the Elixir programming language, a dynamic, functional language designed for building scalable…