The Tech Ledger

Attention & Design

How the most-used apps are built to hold attention, what the research and regulators say, and how each one earns from it.

Topics in this section

Facebook: the social feed & social comparison

Feed and notification changes, published research on social comparison and use, regulator and court actions, and Meta's responses. Advertising revenue is tracked from Meta's 10-K.

84 facts on file

Instagram: image comparison & teen well-being

Research on image-based comparison and body image, teen-account rules, regulator and court actions, and Meta's responses. Shopping and ad revenue tracked from filings.

70 facts on file

X: engagement ranking & high-emotion content

Studies of how ranking affects the spread of emotional content, changes to X's ranking and moderation, published algorithm code, and X's responses.

29 facts on file

TikTok: the recommendation feed & short-video habits

Research on short-video use and attention, screen-time tools and teen limits, state and federal actions, and TikTok's responses.

85 facts on file

YouTube: recommendations, autoplay & creator trust

Audits of the recommendation system, changes to autoplay and recommendations, policy enforcement reports, and YouTube's responses. Ad revenue tracked from Alphabet's 10-K.

99 facts on file

LinkedIn: career signaling & job-market pressure

Research on professional social media use, product changes (premium tiers, AI profile tools), labor-market data LinkedIn publishes, and LinkedIn's responses.

24 facts on file

Nextdoor: neighborhood alerts & crime perception

Research on neighborhood apps and perceived crime, moderation and alert-policy changes, and police partnerships as disclosed by Nextdoor and by agencies.

2 facts on file

Pinterest: aspirational boards & the shopping funnel

Shopping features, advertiser results Pinterest reports, research on aspirational browsing and spending, and Pinterest's responses.

40 facts on file

Amazon: Ring, Prime & convenience dependence

Ring product and policy changes, Prime membership terms and the FTC's Prime case, consumer research on convenience and switching, and Amazon's responses.

23 facts on file

Google Search: reliance on one gateway to information

Search share with the source named, AI answer features and how they change clicks to publishers, court findings, and Google's responses.

57 facts on file

Stories

No stories in this section yet. The topics above show what is on file.