Giveaway: “A World in HDR” by Trey Ratcliff

Update: This giveaway is now over. The winners were randomly selected by the giveaway system we used. Here they are: @sam_decker, @jdenham, and @gregoriusness.

Hullo y’all. We’re giving away 3 copies of travel photographer Trey Ratcliff’s latest book, A World in HDR. The book is filled with spectacular HDR photographs of scenes around the world, and also includes a solid tutorial in the back for learning how to create your own HDR images.

The book costs $30 on Amazon, and you can see some sample images and find out more on Trey’s website.

We’re going to be doing this giveaway a little differently: it’s going to be done completely through Twitter using a new system we developed. In the past we asked that you tweet certain keywords, and I used a custom-written program to collect all the tweets. The problem was that it wasn’t very transparent, and you didn’t even know whether we did in fact count your tweet as an entry.

So what’s our solution? Instead of using the behind-the-scenes program I wrote, I turned the system into a Twitter giveaway web app! Everything will be automated, and all you need to do is follow the instructions on the page and post a tweet through the app. When the giveaway is over, the application will randomly select and display the 3 winners using

To enter, simply post a tweet through the giveaway page!

You must tweet through the app in order to enter, since it tallies entries posted through the app rather than search on Twitter for matching tweets. You can also visit the giveaway through the following widget:

The application requires that you tweet, which is a link back to this post. Unlike previous giveaways, you can say whatever else you want. You can even post a normal, everyday tweet through the app as long as the link is thrown in there.

The giveaway ends on the evening of February 21, which is this Sunday. Good luck!

P.S. If you run into any bugs in the app, please leave a comment here letting me know and I’ll get it fixed ASAP! This is the first giveaway ever through the app, but feel free to run your own!

Also, this giveaway is open to international readers as well!

Thanks to Trey for providing the books for this giveaway!

  • Matias Singers

    I just tried to enter the contest by entering a tweet from the site, but it didn't seem to go through. It seems like the web app accepted it but didn't actually send it to Twitter.

    I'll try again later.

  • Michael Zhang

    Hi Matias,

    Let me double check the app. What did it say when you tried submitting the tweet?

    The system only accepts tweets submitted through the app, since it doesn't repeatedly search Twitter for matching tweets. This format solves a lot of problems.

    Will get back to you here shortly.

  • Matias Singers

    It didn't say anything, it just kind of refreshed the site with the tweet form cleared. Oh so that's why it didn't count entries.

  • Michael Zhang

    Hey Matias,

    We found the bug and fixed it. To enter please post the tweet through the app =) Thanks for reporting the issue!

  • Matias Singers

    Great news! It works perfectly now.
    Awesome giveaway by the way :)

  • Michael Zhang

    Nice! You show up on the widget now too! :-) Good luck.

  • Preeti

    Neat way to do these contests. I'm sure it makes it much easier for you.

  • Michael Zhang

    =) It was actually pretty easy before, but just not transparent. Now you can all see how many people have entered and whether or not your entry was counted.

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  • Ashik Gowda

    I like Trey's unique approach to photography.