<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>dminor</author><text>&amp;#62; Another idea would be for banks to offer special credit card numbers, that get automatically flagged as bogus purchases. Any bank offering such a service? If I ever use the magic number, the transaction is perceived to go through, but it&apos;s actually tracked and no money is exchanged. Not sure if it&apos;s doable with respect to Visa and Mastercard networks.&lt;p&gt;A credit card that allows you to make purchases but never transfers any money? I&apos;m not sure you&apos;ve quite thought that through.</text><parent_chain><item><author>alain94040</author><text>Great, but the main problem is to find out who is calling you. I wish the phone company had some kind of obligation to give me that information, so I could trace back annoying telemarketing calls. Stringing them along until they reveal who they work for just doesn&apos;t work well.&lt;p&gt;Another idea would be for banks to offer special credit card numbers, that get automatically flagged as bogus purchases. Any bank offering such a service? If I ever use the magic number, the transaction is perceived to go through, but it&apos;s actually tracked and no money is exchanged. Not sure if it&apos;s doable with respect to Visa and Mastercard networks.</text></item></parent_chain></comment><story><title>I sued a telemarketer and got $4,000</title><url>http://www.impactdialing.com/2012/05/how-to-sue-a-telemarketer/</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>michaelrkn</author><text>Thanks to Voice over IP, this is pretty much impossible to regulate any more. The telephone networks were built on a trust model that VoIP destroyed. Now, you can originate a call on the internet that&apos;s nearly impossible to trace.</text><parent_chain><item><author>alain94040</author><text>Great, but the main problem is to find out who is calling you. I wish the phone company had some kind of obligation to give me that information, so I could trace back annoying telemarketing calls. Stringing them along until they reveal who they work for just doesn&apos;t work well.&lt;p&gt;Another idea would be for banks to offer special credit card numbers, that get automatically flagged as bogus purchases. Any bank offering such a service? If I ever use the magic number, the transaction is perceived to go through, but it&apos;s actually tracked and no money is exchanged. Not sure if it&apos;s doable with respect to Visa and Mastercard networks.</text></item></parent_chain></comment><story><title>I sued a telemarketer and got $4,000</title><url>http://www.impactdialing.com/2012/05/how-to-sue-a-telemarketer/</url></story>