Fix dress colors with Dropbox

For some reason, white and gold things appear blue and black to a large number of people. As a demo for BattleHack LA, I built an app that automatically corrects the colors in your images in Dropbox so you can see their true white and gold nature.

The full code is on GitHub at The app uses webhooks and the Core API (/delta, /thumbnails, and /files_put).

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Dropbox at BattleHack Los Angeles

I’m excited to take part in BattleHack Los Angeles this weekend, a hackathon hosted by Braintree_Dev.

The hackathon will be held at Cross Campus Santa Monica this weekend, February 28th and March 1st. This is Dropbox’s first time sponsoring, but we’ve heard a lot of great things about the event. If you’re going to be in the area this weekend, get your ticket now.

Below is a little teaser trailer to get you excited. I hope to see you there!

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Dropbox for Business API tech talk

Come meet up with us in San Francisco to learn more about our new Dropbox for Business API. Our own Steve Marx will be giving a talk and there will be time to network and chat with members of our Dropbox API community.

RSVP here!

Here are the details:

Dropbox for Business API tech talk
Wednesday, March 25th
7 to 9 PM (doors open at 6:30 PM)
Wix Developer’s Lounge – 500 Terry A Francois Boulevard, San Francisco, CA
There will be light food and beverages at the event.

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London Dropbox Hackathon photos and winners

This past weekend we hosted our first London Dropbox Hackathon. Over 120 hackers showed up to build apps using the Dropbox APIs.

We began the event with a welcome from Mark Van Der Linden, our new UK & Benelux Country Manager. Ilya Fushman, Head of Product, talked about the spirit of hacking at Dropbox, including our own Hack Week tradition. Jon Mountjoy from Heroku talked about doing more with less and the future of collaboration in the cloud with Heroku. We wrapped up the presentations with Steve Marx, PM for Developer Platform,

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London Dropbox Hackathon

Dropbox is coming to London! To get to know our new neighbours and the local tech community, we’ll be hosting a hackathon in the city. Come join us Friday evening and all day Saturday to hang out and hack on the Dropbox APIs.


London Dropbox Hackathon
Friday 23 January – Saturday 24 January
Shoreditch Studios, 37 Bateman’s Row, London (map)

Registration required:

Register on Eventbrite!



  • 5-7 PM: Happy hour with cocktails
  • 7-8 PM: Welcome talk
  • 8 –

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Lists app in Swift and Swift Hack Day

Update: The Sync and Datastore SDK has been deprecated. Learn more here.

A couple weekends ago, Dropbox participated in Swift Hack Day in San Francisco.

I got a chance to play around with the new Swift programming language for iOS and OS X and even created my own hack, a Swift version of our Lists sample app.

You can find the code for Swift Lists on GitHub.

I’m still new to Swift so check it out and let us know what you think on our developer forum!

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