Tootfinder

By plugging tens of billions of phone numbers into WhatsApp’s contact discovery tool, researchers found
“the most extensive exposure of phone numbers” ever—along with profile photos and more
A Simple WhatsApp Security Flaw Exposed 3.5 Billion Phone Numbers
https://www.

A Simple WhatsApp Security Flaw Exposed 3.5 Billion Phone Numbers
By plugging tens of billions of phone numbers into WhatsApp’s contact discovery tool, researchers found “the most extensive exposure of phone numbers” ever—along with profile photos and more.

Researchers demonstrated a major WhatsApp flaw that exposed 3.5B users' phone numbers, with 57% also showing a profile photo; Meta fixed the enumeration problem (Andy Greenberg/Wired)
https://www.wired.com/story/a-simple-whatsapp-security-flaw-…

A Simple WhatsApp Security Flaw Exposed 3.5 Billion Phone Numbers
By plugging tens of billions of phone numbers into WhatsApp’s contact discovery tool, researchers found “the most extensive exposure of phone numbers” ever—along with profile photos and more.

I’m not saying that this is good, but it recalled for me the ancient times when the phone company (there was only one) sent everyone a fat (in urban areas) book in tiny type on thin paper with everyone’s phone number, alphabetically by surname. Businesses were in their own book. You could also go to the reference section of the public library and use the book with all of the numbers in your area in numerical order.
Ancient times. The 1990s @…

from my link log —
mudderjs: lexicographically subdivide the space between strings.
https://github.com/fasiha/mudderjs
saved 2025-10-16 https://dotat…

Device Activity Tracker — WhatsApp & Signal Activity Tracker via RTT Analysis
A phone number can reveal whether a device is active, in standby or offline (and more). This PoC demonstrates how delivery receipts RTT timing leak sensitive device-activity patterns. (WhatsApp / Signal)
📱 https://github.com/…

GitHub - gommzystudio/device-activity-tracker: A phone number can reveal whether a device is active, in standby or offline (and more). This PoC demonstrates how delivery receipts + RTT timing leak sensitive device-activity patterns. (WhatsApp / Signal)
A phone number can reveal whether a device is active, in standby or offline (and more). This PoC demonstrates how delivery receipts + RTT timing leak sensitive device-activity patterns. (WhatsApp /...

Watch: Numbers to know for Raiders-Texans Week 16 https://www.raiders.com/video/watch-numbers-to-know-for-raiders-texans-week-16-nfl-2025

WhatsApp is testing imposing per-month limits on how many messages individual users and businesses can send to unknown people without getting a response (Ivan Mehta/TechCrunch)
https://techcrunch.com/2025/10/17/what

WhatsApp will curb the number of messages people and businesses can send without a response | TechCrunch
The company said the controls are designed to be effective against people and businesses that blast messages and spam people.

A broad retreat is underway in the nonprofit world.
After Donald Trump ordered his administration to root out “illegal” diversity, equity and inclusion efforts earlier this year,
opening the door to investigations and funding cuts for offenders,
more than 1,000 charities rewrote their mission statements in forms they filed this year with the Internal Revenue Service,
removing or minimizing language tied to race, inequity and historically disadvantaged communities.<…

Deleting DEI
As the Trump administration ordered agencies to eradicate “illegal” diversity, equity and inclusion efforts, we identified more than 1,000 nonprofits that removed such language from the mission statements in their tax filings.

Zero to 100: The numbers behind Cowboys' 33-16 win over Raiders https://www.dallascowboys.com/news/zero-to-100-the-numbers-behind-cowboys-33-16-win-over-raiders

Mastodon founder and CEO Eugen Rochko is stepping down from the decentralized social network as part of its shift to a nonprofit structure overseen by a board (Sarah Perez/TechCrunch)
https://techcrunch.com/2025/11/18/mastodon-ceo-steps-down-as-t…

Mastodon CEO steps down as the social network restructures | TechCrunch
Eugen Rochko is stepping down as CEO of decentralized social network Mastodon. Felix Hlatky will now become the executive director as the company becomes structured as a nonprofit government by a board.