Format: Notes 🗒️
Sensor Tower released data on the number of daily active users on the mobile application of X, formerly Twitter. The data shows that in the United States, the number of daily active users on the mobile application has decreased by almost 25% since Elon Musk acquired the platform. Worldwide, Sensor
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As shown in Figure 1, Gatun Lake is a key component of the Panama Canal. However, as shown in Figure 2, the water level in Gatun Lake is at a historically low level. In fact, this is the lowest level measured since 1965. The cause is a significant drought in
Format: Notes 🗒️
I have found this interesting plot in a recent article by Laura Laker on Bloomberg: Figure 1 shows that since the 2000s, the number of trips per day by bike in London has multiplied by 4. From about 300,000 trips in 2000, there are now between 1.1 and
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Anyone who still uses X has experienced it: the platform is overwhelmed by inauthentic actors — namely, bots. Who hasn’t had a deluge of “Hannah” in their notifications for the last few months? However, personal anecdotes are not enough to show that X has a generalized problem of inauthentic activity.
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After almost a year in closed beta, the social network Bluesky is now accessible to everyone. You no longer need an invite code to create an account. If you don’t already have an account on Bluesky, creating one is simple: just go to bsky.app and follow the instructions.
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During the COVID-19 pandemic, many schools switched to remote instruction. What effects did the switch to remote instruction have on the mental health of students? This question is not a matter of opinion, but a matter of facts. The effects of the switch to remote instruction are not a matter
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404 Media is running an interesting new policy
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Economics papers tend to be long. Too long, if you are asking me. If you are interested in publishing a short economics paper, or if you are interested in finding short economics papers, David Evans has compiled a comprehensive list of journals that accept short economics papers. A very useful
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Via Paul Krugman on Threads, I discover this plot. Based on a series of Gallup polls, the plot shows the proportion of adults who say they “approve” interracial marriages between Black people and White people in the United States. In 1958, only 4% of the population approved of interracial marriages.
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A vast literature in economics shows that men are on average more competitive than women. The dominant explanation for this difference is a tendency for men to be overconfident in their abilities. A working paper by Tünde Lénárd, Dániel Horn and Hubert János Kiss challenges this explanation. 🧭Trust indicator • Reading
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Attention attracts attention
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GDPR has complex effects on the exploitation of users' personal data
