David Cogen

David opened a cell phone store on his college campus and started TheUnlockr.com as a personal tech blog back in 2009 along side. He gets an unnatural excitement out of showing others new things about their tech that they might not have known. Reach out to him on the following social networks and say hi.

What is Machine Learning? (& How Your Phone Uses It Every Single Day)

Every major phone manufacturer has touted machine learning and AI in their new devices and told us how amazing it is, but what is machine learning? What is AI? And what is it doing in our phones exactly anyway? In this Decodr episode, let’s go through what machine learning actually […]

DJI Mini 2 Real-World Test (Review, Battery Test, & Vlog)

The new iteration of their pocketable drone, the DJI Mini 2, has arrived and after using it for a bit I figured we’d do a real-world test on it. We check to see how long the battery lasts, take a look at footage from the drone, talk about my favorite

Razer Book 13 Real-World Test (First Impressions & Battery Test)

I managed to get my hands on a pre-production Razer Book 13, Razer’s beginning to their new productivity lineup. Let’s see how the battery lasts during various common tasks, how it performs, and go over some of the features that make the Book 13 unique. Thanks for watching!

Pixel 5 Real-World Test (Camera Comparison, Battery Test, & Vlog)

The new Google Pixel 5, the company’s new flagship Pixel for the year, arrived finally so I decided to use it to take a trip down memory lane and do some camera comparisons and a battery test in my old neighborhood the West Village, New York City. Thanks for watching!