Disclosure certainty 4/5 debate potential 2/5

Tumblr's email algorithm prioritized original content creators over rebloggers

Adam Laiacano · Adam Laiacano, Tumblr // Data Driven NYC 20 // Nov 2013 (Hosted by FirstMark Capital) · Dec 5, 2013 · at 7:47

Adam Laiacano, data lead at Tumblr, details the post ranking logic used to construct Tumblr's email digest during a talk at Data Driven NYC.

0:00 / 0:13exact quote · 13.6s
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“We want to give a little bit of bonus points to content creators, so if I post something and Hillary reblogs it from me, And these are both candidates to go into your email. Mine will show up instead of hers, because I came up with it.”

quote is from the automated transcript, cleaned for reading: filler sounds and stutters are removed, nothing is rephrased. names can be misheard (the analysis reads context, assessments check outside sources). how →

More from Adam Laiacano

Disclosure
Tumblr recommended blogs using social graph and post content
“At Tumblr, we try to recommend blogs to people. We use things like the Social Graph. Some of the content of your posts, things like that, to find blogs that you might like.”
Adam Laiacano Dec 5, 2013 ▶ 1:07 Adam Laiacano, Tumblr // Data Driven NYC 20 // Nov 2013 (Hosted by FirstMark Capital)
Assertion Supported
Tumblr hosted approximately 150 million blogs as of November 2013
“There's about a hundred and fifty million of them that we host now.”
Adam Laiacano Dec 5, 2013 ▶ 5:43 Adam Laiacano, Tumblr // Data Driven NYC 20 // Nov 2013 (Hosted by FirstMark Capital)
Assertion Not checkable as stated
Tumblr's explicit post categorization yielded perfectly accurate content classification data
“If it's text, if it's a photo, whatever, so we can use this later on, and there's no predictions, there's no, oh, there's a photo in this thing, but we don't know if it's the main content of the post it's free, like, hundred percent accuracy prediction all the…”
Adam Laiacano Dec 5, 2013 ▶ 12:04 Adam Laiacano, Tumblr // Data Driven NYC 20 // Nov 2013 (Hosted by FirstMark Capital)
Assertion Partly supported
Video, audio, and photos were Tumblr's most popular post types
“So on Tumblr you can post seven different types of content. Video, audio, photos are by far the most popular links, things like that.”
Adam Laiacano Dec 5, 2013 ▶ 7:25 Adam Laiacano, Tumblr // Data Driven NYC 20 // Nov 2013 (Hosted by FirstMark Capital)
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