<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>awelxtr</author><text>Self checkout systems based on RFID are very convenient, quick and quite accurate compared to self checkout on grocery stores&amp;#x27;l. The main problem on groceries is that the tags are expensive compared to the product (tags prices are in the order of tens of cents depending on manufacturer and size)&lt;p&gt;Disclaimer: I work on a RFID reader manufacturing company</text><parent_chain><item><author>smugma</author><text>Uniqlo (in Japan and at least in SF) has a cool checkout method.&lt;p&gt;You drop your clothes into a big bin (I’ve always done it one piece at a time, didn’t think to do all at once) and it adds up all your items. I’ve used this maybe 8 times, 100% accurate so far.&lt;p&gt;Not sure how it works but I guessed RFID and quick Google appears to confirm:&lt;p&gt;&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.wsj.com&amp;#x2F;articles&amp;#x2F;uniqlos-parent-company-bets-big-on-tiny-rfid-chips-600b124f&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.wsj.com&amp;#x2F;articles&amp;#x2F;uniqlos-parent-company-bets-big...&lt;/a&gt;</text></item></parent_chain></comment><story><title>Amazon ditches &apos;just walk out&apos; checkouts at its grocery stores</title><url>https://gizmodo.com/amazon-reportedly-ditches-just-walk-out-grocery-stores-1851381116</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>a_random_canuck</author><text>As far as I can tell, every Uniqlo has this. And you’re right, this is by far the best checkout experience. It’s what Amazon wishes they’d built.&lt;p&gt;I can’t imagine there’s that much untapped profit in the grocery business that Amazon could turn a profit with such an expensive and unreliable mess like Just Walk Out and I find it’s so typical Amazon to find out that the man behind the curtain is actually a bunch of offshore workers in India.</text><parent_chain><item><author>smugma</author><text>Uniqlo (in Japan and at least in SF) has a cool checkout method.&lt;p&gt;You drop your clothes into a big bin (I’ve always done it one piece at a time, didn’t think to do all at once) and it adds up all your items. I’ve used this maybe 8 times, 100% accurate so far.&lt;p&gt;Not sure how it works but I guessed RFID and quick Google appears to confirm:&lt;p&gt;&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.wsj.com&amp;#x2F;articles&amp;#x2F;uniqlos-parent-company-bets-big-on-tiny-rfid-chips-600b124f&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.wsj.com&amp;#x2F;articles&amp;#x2F;uniqlos-parent-company-bets-big...&lt;/a&gt;</text></item></parent_chain></comment><story><title>Amazon ditches &apos;just walk out&apos; checkouts at its grocery stores</title><url>https://gizmodo.com/amazon-reportedly-ditches-just-walk-out-grocery-stores-1851381116</url></story>