Skip to content

On my Om

On Technology, Change & Photography

  • Blog
  • About
  • Photos
  • Podcasts
  • Investments
  • Search
Posted on September 13, 2019September 13, 2019

The noise of the Square Card Reader

Remember the original Square Card Reader that would plug into iPhone’s headphone jack? This is how it worked and what has happened to it since.

Related Posts

  • On True’s Computational Biology investments
  • Dreamcast failed, but gave gaming new dreams to dream
  • Taxing Personal Data
  • Snap & Climate Change: Is there a link?

Om Malik

Om Malik is a San Francisco based writer, photographer and investor. More....

Post navigation

Previous Previous post: The Jony Triptych​
Next Next post: A new (tech) front in US-China​ Trade war?
  • Twitter
  • Instagram
  • RSS Feed
Powered by WordPress | Hosted by Pressable