Alex Rainert

Making things that help people be better. Head of Design at http://www.sum.com. Former Head of Product @foursquare. Husband. Father of two. Easy laugh.


Can you walk the walk when it comes to editing your product?

Every time I open the Pinterest app, I’m reminded of how small a segment of the Pinterest audience my…


About to grab a tasty cold brew to kick off Friday.


A Runner’s Hope for the Apple Watch


This past weekend I ran my best half marathon ever by ~3 minutes and I owe most of it to the Garmin running watch above that I borrowed from my wife.


Can you walk the walk when it comes to editing your product?

Every time I open the Pinterest app, I’m reminded of how small a segment of the Pinterest audience my…


Hot take: Medium makes its first big changes.

I’ve been longing for something “between Twitter and Medium” and in some respects today’s Medium changes look to be just that. That said, I’m honestly still a little mindfreaked by them and am struggling to get my thoughts in order. Here’s a quick stab:

  • A few months ago I switched my Twitter bio url to my Medium posts in…

The value of establishing one keystone habit

A look back at 2014 and forward to 2015


Most years as December winds down, I resolve to change 5–10 things that…


How I use The Hype Machine for music discovery


Over the past year, I’ve found myself discovering more and more new, great music thanks to The Hype Machine. You can do a whole lot more on…


If Twitter has the guts, it could improve the service with a few counterintuitive tweaks.


Good post outlining some of the hurdles Twitter faces and touches on something I’ve felt…


Diving back in…


Note: This post originally aired in February 2014 on Tumblr but was moved to Medium in October 2014.


Be productively constructive

People who are negative tend to want to demean people’s ideas. They say what they don’t like, but they don’t really say what they want to…

You are what you value

The importance of defining your company’s values early on


“If there’s one piece of advice I can give early stage founders, it…