Author: marcabraham
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SQL – Learning about the basic “SELECT” statement
I’m still doing my Stanford online course on relational databases. Today, I learned about the basics of SQL, a special programming language designed for managing data held in a relational database. The teacher of the class, Jennifer Widom, kicked off the class by talking about the difference between a Data Definition Language (‘DDL’) and a…
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Meerkat (Product Review)
The other day is saw a discussion about whether Meerkat will or won’t last. Meerkat is a simple video app which lets people stream live to their Twitters. It launched about two weeks ago and has been talked about (and used) a lot since. Let’s do a quick review of the app: Main learning point: It…
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What is Guerrilla Testing?
I don’t know how many of you are familiar with “guerrilla testing”, but I’ve been doing it for a few years now and it’s a great way to get some quick user feedback on your product or idea. To me, guerrilla testing means going into a coffeeshop or another public place to ask people there about…
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“Crossing the Chasm” (Book Review)
I recently read both Crossing the Chasm and Big Bang Disruption, which are two books covering a similar topic: how do you position and sell innovative products in fast pace market? “Crossing the Chasm” by Geoffrey A. Moore was first published in 1991 and talks about how to bridge the “chasms” which can occur in the traditional…
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Learning more about running A/B tests
I love running A/B and multivariate (‘MVT’) tests. These are experiments designed to evaluate different design or copy variants, based on actual performance data. Instead of comparing or deciding on product options based on gut feel, an A/B or multivariate test allows to you to compare alternatives based on objective data and predefined success criteria.…
As I learn ... 