Twitter has 206 million users.

But 99% of them are following the wrong people.

Here are 21 must-follow accounts who give incredible value for free:

Who: @KateBour

• Marketing psychology
• Customer research

Fave thread:
https://t.co/Vhk4Vx8gVf
Who: @jaimeschmidt

• Investing
• Building wealth
• Running a successful business

Fave thread:
https://t.co/gpfpVKK27c
Who: @kaleighf

• Good writing
• Content strategy
• Ecommerce & retail tech

Fave thread:
https://t.co/2g6mWm91cQ
Who: @angjiang

• Compressed ideas
• One-liners to blow your mind

Fave tweet:
https://t.co/Qv2v33Uw5w
Who: @ccmarce_writes

• Advertising
• Digital marketing
• Bite-sized marketing teardowns

Fave thread: https://t.co/ilxqrz2pXi
Who: @lijin18

• Web3
• Investing

Fave thread:
https://t.co/ok5HWmQiUi
Who: @AmandaMGoetz

• Marketing
• Being a CEO
• Entrepreneurship

Fave tweet:
https://t.co/rO6ZlAQcMI
Who: @janetmachuka_

• Marketing
• Social media & community

Fave tweet:
https://t.co/oX9k518lVh
Who: @The_MMW

• Building wealth
• Managing your money wisely

Fave thread:
https://t.co/TOnDaelwoe
Who: @brianne2k

• Marketing
• Pop culture
• Social media

Fave tweet:
https://t.co/EuiGa7Kxad
Who: @dunkhippo33

• VC
• Startups
• Leadership

Fave thread:
https://t.co/CF6L0DQH75
Who: @anafabrega11

• Learning
• Future of education

Fave tweet:
https://t.co/rJlmQ0SX1R
Who: @ThatChristinaG

• Community
• Marketing
• Media

Fave tweet:
https://t.co/8cLQdjZ0qc
Who: @myfriendjanine

• VC & partner
• SaaS tech founder
• Hype woman for founders

Fave thread:
https://t.co/0u8sYfDVeZ
Who: @shausterweiss

• Health
• Relationships

Fave thread:
https://t.co/oIPrdrwzNy
Who: @ChiThukral

• Social media
• Content & creativity
• Funny takes on marketing & trends

Fave tweet:
https://t.co/BV8GFxN3JH
Who: @mdeziel

• Writing & creativity
• Content marketing strategy
• Literally wrote the book on content

Fave tweet:
https://t.co/PgZgUQEGUC
Who: @stephsmithio

• Business strategy
• Modern remote work
• Hosts an amazing podcast

Fave tweet:
https://t.co/Zza9DehCo3
Who: @AmaliaEFowler

• Marketing & PPC
• People management

Fave thread:
https://t.co/BihLUyCgsF
Who: @TheJennyLi

• Social media strategy
• Marketing KPIs

Fave tweet:
https://t.co/FBg6cEUxQR
Who: @aprildunford

• Product marketing
• Marketing strategy

Author of "Obviously Awesome" — easily the most influential marketing positioning book today.

Fave thread:
https://t.co/9OwoIvLbDb
And I may as well shamelessly promote myself:

@amandanat

• Marketing
• Content strategy
• Food tips (I'm also a trained chef)

My most recent thread:
https://t.co/a9N4Rd0ERf

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Department List of UCAS-China PROFESSORs for ANSO, CSC and UCAS (fully or partial) Scholarship Acceptance
1) UCAS School of physical sciences Professor
https://t.co/9X8OheIvRw
2) UCAS School of mathematical sciences Professor

3) UCAS School of nuclear sciences and technology
https://t.co/nQH8JnewcJ
4) UCAS School of astronomy and space sciences
https://t.co/7Ikc6CuKHZ
5) UCAS School of engineering

6) Geotechnical Engineering Teaching and Research Office
https://t.co/jBCJW7UKlQ
7) Multi-scale Mechanics Teaching and Research Section
https://t.co/eqfQnX1LEQ
😎 Microgravity Science Teaching and Research

9) High temperature gas dynamics teaching and research section
https://t.co/tVIdKgTPl3
10) Department of Biomechanics and Medical Engineering
https://t.co/ubW4xhZY2R
11) Ocean Engineering Teaching and Research

12) Department of Dynamics and Advanced Manufacturing
https://t.co/42BKXEugGv
13) Refrigeration and Cryogenic Engineering Teaching and Research Office
https://t.co/pZdUXFTvw3
14) Power Machinery and Engineering Teaching and Research
Recently, the @CNIL issued a decision regarding the GDPR compliance of an unknown French adtech company named "Vectaury". It may seem like small fry, but the decision has potential wide-ranging impacts for Google, the IAB framework, and today's adtech. It's thread time! 👇

It's all in French, but if you're up for it you can read:
• Their blog post (lacks the most interesting details):
https://t.co/PHkDcOT1hy
• Their high-level legal decision: https://t.co/hwpiEvjodt
• The full notification: https://t.co/QQB7rfynha

I've read it so you needn't!

Vectaury was collecting geolocation data in order to create profiles (eg. people who often go to this or that type of shop) so as to power ad targeting. They operate through embedded SDKs and ad bidding, making them invisible to users.

The @CNIL notes that profiling based off of geolocation presents particular risks since it reveals people's movements and habits. As risky, the processing requires consent — this will be the heart of their assessment.

Interesting point: they justify the decision in part because of how many people COULD be targeted in this way (rather than how many have — though they note that too). Because it's on a phone, and many have phones, it is considered large-scale processing no matter what.