John

John leads MailChimp's data science team. He's the author of Data Smart: Using Data Science to Transform Information Into Insight and writes a blog called Analytics Made Skeezy.

Multivariate Testing for MailChimp Pro

Preview for Multivariate Testing for MailChimp Pro

As MailChimp’s Chief Data Scientist, the main reason I love my job—on top of all the other many, many fantastic reasons to work here—is that sending email generates lots and lots of data. Opens, clicks, purchases—this is the kind of stuff that businesses can use to refine their marketing. Last year alone, recipients of emails …

A Purchased List is a Dead List

Update, 8/1/14: According to the recently passed CASL, purchased lists are illegal in Canada. While they’re still technically legal in the US, they’re at odds with MailChimp’s acceptable use policy. Which means if you use them, we will shut down your account. — As a permission-based email marketing service provider, MailChimp doesn’t allow our users to send to …

Insights from MailChimp’s Send Time Optimization System

Late last year, MailChimp rolled out our Send Time Optimization feature. Built on the Email Genome Project, which powers many of our other email marketing products, Send Time Optimization does just what you’d think: It suggests to users when they should send their campaigns. "So," you might be thinking, "when is the optimal time to send?" Well, it depends on …

Send Time Optimization in MailChimp

With the latest release of MailChimp, we’ve added the ability to optimize your send time. Within the send time scheduling section of the app you’ll find a recommendation hand-delivered to you from MailChimp’s Email Genome Project. It recommends the optimal send time out of the next 24 hours from the selected delivery date. The send time recommendation …

What Does Your ISP Say About You?

If all you knew about me was my email address, what could you say about me? Put on your Sherlock Holmes stalker hat. Does an address by itself tell you anything at all? Take my personal address: john [dot] 4man [plus] 420 [at] gmail First, let’s look at the prefix. Well, we know that the …