If you're interested in DB internals, stop what you're doing and watch @CMUDB Quarantine Talk from Nico+Cesar about @SQLServer's Cascades query optimizer: https://t.co/FCdsbHHEaD
Many talks this semester were good. This one is the best. My thread provides key takeaways
Answer: @cosmosdb is using it. @SQLServer is more conservative and using a minor form of it.
More from Internet
Many conversations happening on #WhatsApp (WA) groups about new #WhatsAppPrivacyPolicy .
This thread has arguments to help ditch WA & move to @signalapp:
https://t.co/En4fe9VxUN
Share, use, copy-paste, modify with understanding as you deem fit on any platform in whole or part
1/n
Note: No affiliations, conflict of interest
Info presented with NO bias, prejudice, malice or indemnity.
Open to corrections: individual tweets may be deleted, tweets added to thread or corrected as replies.
Points that are unclear or uncertain are marked with "(?)".
2/n
CONTENT OF WA MESSAGES SHALL REMAIN ENCRYPTED END TO END.
BUT, there's data: contacts, group affiliations, co-affiliations, locations (live?), frequency of contacts, *tags* generated when we send or forward a message or file to contacts or groups, links, clicks on links, etc.
3/n
It is unclear whether this data is anonymized.
NOTHING in latest policy *prevents* the collection, retention, sharing or sale by FaceBook (FB: owner of WA) of this data in part or whole whether with identifying information or anonymized.
Meme source:
https://t.co/nMDTUlb0rl
4/n
Companies need to make money & generate profits:
To create software, install & maintain infrastructure.
Google, FB, Insta, Amazon etc sell data created from our content & data generated from our interactions (searches, clicks, purchases etc).
This makes many uncomfortable.
5/n
This thread has arguments to help ditch WA & move to @signalapp:
https://t.co/En4fe9VxUN
Share, use, copy-paste, modify with understanding as you deem fit on any platform in whole or part
1/n
Note: No affiliations, conflict of interest
Info presented with NO bias, prejudice, malice or indemnity.
Open to corrections: individual tweets may be deleted, tweets added to thread or corrected as replies.
Points that are unclear or uncertain are marked with "(?)".
2/n
CONTENT OF WA MESSAGES SHALL REMAIN ENCRYPTED END TO END.
BUT, there's data: contacts, group affiliations, co-affiliations, locations (live?), frequency of contacts, *tags* generated when we send or forward a message or file to contacts or groups, links, clicks on links, etc.
3/n
It is unclear whether this data is anonymized.
NOTHING in latest policy *prevents* the collection, retention, sharing or sale by FaceBook (FB: owner of WA) of this data in part or whole whether with identifying information or anonymized.
Meme source:
https://t.co/nMDTUlb0rl
4/n
Now that #WhatsApp have updated their terms, forcing users to share their data with #Facebook, here's our suggested update to that notification you see at the top of your chats.#WhatsappNewPolicy #WhatsappPrivacy pic.twitter.com/FjxFGBm6Q8
— Privacy International (@privacyint) January 7, 2021
Companies need to make money & generate profits:
To create software, install & maintain infrastructure.
Google, FB, Insta, Amazon etc sell data created from our content & data generated from our interactions (searches, clicks, purchases etc).
This makes many uncomfortable.
5/n
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1/ Some initial thoughts on personal moats:
Like company moats, your personal moat should be a competitive advantage that is not only durable—it should also compound over time.
Characteristics of a personal moat below:
2/ Like a company moat, you want to build career capital while you sleep.
As Andrew Chen noted:
3/ You don’t want to build a competitive advantage that is fleeting or that will get commoditized
Things that might get commoditized over time (some longer than
4/ Before the arrival of recorded music, what used to be scarce was the actual music itself — required an in-person artist.
After recorded music, the music itself became abundant and what became scarce was curation, distribution, and self space.
5/ Similarly, in careers, what used to be (more) scarce were things like ideas, money, and exclusive relationships.
In the internet economy, what has become scarce are things like specific knowledge, rare & valuable skills, and great reputations.
Like company moats, your personal moat should be a competitive advantage that is not only durable—it should also compound over time.
Characteristics of a personal moat below:
I'm increasingly interested in the idea of "personal moats" in the context of careers.
— Erik Torenberg (@eriktorenberg) November 22, 2018
Moats should be:
- Hard to learn and hard to do (but perhaps easier for you)
- Skills that are rare and valuable
- Legible
- Compounding over time
- Unique to your own talents & interests https://t.co/bB3k1YcH5b
2/ Like a company moat, you want to build career capital while you sleep.
As Andrew Chen noted:
People talk about \u201cpassive income\u201d a lot but not about \u201cpassive social capital\u201d or \u201cpassive networking\u201d or \u201cpassive knowledge gaining\u201d but that\u2019s what you can architect if you have a thing and it grows over time without intensive constant effort to sustain it
— Andrew Chen (@andrewchen) November 22, 2018
3/ You don’t want to build a competitive advantage that is fleeting or that will get commoditized
Things that might get commoditized over time (some longer than
Things that look like moats but likely aren\u2019t or may fade:
— Erik Torenberg (@eriktorenberg) November 22, 2018
- Proprietary networks
- Being something other than one of the best at any tournament style-game
- Many "awards"
- Twitter followers or general reach without "respect"
- Anything that depends on information asymmetry https://t.co/abjxesVIh9
4/ Before the arrival of recorded music, what used to be scarce was the actual music itself — required an in-person artist.
After recorded music, the music itself became abundant and what became scarce was curation, distribution, and self space.
5/ Similarly, in careers, what used to be (more) scarce were things like ideas, money, and exclusive relationships.
In the internet economy, what has become scarce are things like specific knowledge, rare & valuable skills, and great reputations.