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vgr's profile
Venkatesh Rao
Venkatesh Rao
Venkatesh Rao
@vgr

Tweets

Venkatesh Rao

@vgr

Conversational account. For work follow @ribbonfarm, @breaking_smart, @artofgig. Tweets are 90% vacuous views, apathetically held. Mediocritopian. IKEA builder.

Los Angeles, CA
venkateshrao.com
Joined August 2007

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    2. Dorian Taylor‏ @doriantaylor Nov 12
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      Replying to @Aelkus

      indeed; anyway i am on board with your point that self checkout is an externality generation move

      0 replies 0 retweets 1 like
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    4. Dorian Taylor‏ @doriantaylor Nov 12
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      Replying to @Aelkus

      the ui the cashier gets is one that is effectively for an expert; they have to be trained to use it (and develop muscle memory), whereas the self-checkout machines are simultaneously nerfed for perpetual n00bs and fortified against theft, making them inherently less efficient

      1 reply 1 retweet 10 likes
    5. Dorian Taylor‏ @doriantaylor Nov 12
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      Replying to @doriantaylor @Aelkus

      so in a way you could imagine the cashier-cum-self-checkout-attendant being themselves frustrated to have to help frustrated people limp through those things when they erstwhile could have just done it for them using a professional rig

      3 replies 0 retweets 8 likes
    6. Venkatesh Rao‏ @vgr Nov 12
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      Replying to @doriantaylor @Aelkus

      10 cashier jobs at $15/hr replaced by 1 attendant job at $20/hr, 0.1 maintenance-guy job at $50/hr, 0.001 automation designer job at $100/hr. Plus a bunch of unpaid shadow labor by customers (1000 jobs at $5/hour, paid in kind via lower prices)

      1 reply 0 retweets 1 like
    7. Venkatesh Rao‏ @vgr Nov 12
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      Replying to @vgr @doriantaylor @Aelkus

      Labor’s share of return from capital goes from $15x10=$150/hr to $20+0.1*$50+0.001*$100 = $25.10. Capital’s share goes up by $125/h initially but then competition passes on the bulk of it to the shadow-laboring consumers via lower prices so capital gets $10/h more in steady state

      2 replies 0 retweets 1 like
    8. Venkatesh Rao‏ @vgr Nov 12
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      Replying to @vgr @doriantaylor @Aelkus

      Note that to your point, expert UI implies a cheaper machine. The self-checkout machines are consumer-grade machines and cost more in non-recurring engineering costs to build. Their TCO is also higher because maintenance higher than cash registers. But still lower than humans.

      1 reply 0 retweets 1 like
    9. Dorian Taylor‏ @doriantaylor Nov 12
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      Replying to @vgr @Aelkus

      what's that fordism that goes "if you need a machine and don't buy it, you will eventually find that you will have paid for it but not have it"

      1 reply 1 retweet 2 likes
    10. Dorian Taylor‏ @doriantaylor Nov 12
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      Replying to @doriantaylor @vgr @Aelkus

      anyway i understand the mechanics and the motivation; it's a deliberate externality generation but that's arguably orthogonal to the bullshittiness, which has to do with taking a locally-optimal configuration and replacing it with an inferior one and trying to claim it's better

      1 reply 0 retweets 0 likes
      Venkatesh Rao‏ @vgr Nov 12
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      Replying to @doriantaylor @Aelkus

      Well, price performance. It’s better for the lower price point. In Seattle, a high-end grocery store rolled back self-checkout to keep the jobs. But stuff costs more there. Actually better = Amazon go store. Walk in, pick up shit, walk out. Cameras and AI do the rest.

      1:36 PM - 12 Nov 2020
      1 reply 0 retweets 0 likes
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        2. Dorian Taylor‏ @doriantaylor Nov 12
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          Replying to @vgr @Aelkus

          i'm sure they can claim they are "passing the savings onto the customer" which is an empirical question that appears to be answered largely in the negative. an argument can be made that amazon go is the "correct" solution to self-checkout, which of course has its own side effects

          1 reply 0 retweets 0 likes
        3. Venkatesh Rao‏ @vgr Nov 12
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          Replying to @doriantaylor @Aelkus

          Umm prices for almost everything have crashed in the west in the last few decades except for rent, healthcare and education. It’s not an idle claim or an altruistic one. Pure result of competition

          1 reply 0 retweets 1 like
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