7th Annual Worldwide PhotoWalk Registration Opens Today

BREAKING NEWS from Scott Kelby‘s blog this morning! –>

“I’m very excited to announce the official date for Scott Kelby’s 7th Annual Worldwide Photo Walk™ (the world’s largest Photo Walk, with walks in over 1,200 cities last year) and we want you to be a part of this fun, free, global, photography social event.” READ MORE: http://kel.by/SMWWPW ‪#‎wwpw2014‬

I’ll probably lead a walk in Sarajevo again this year, stay tuned to my blog. Last year was fun, but there was just few of us. Hopefully this year it’s going to be even better, with lots of walkers.

Samsung announced Galaxy Round, (not so much) ground braking new curved display phone/phablet.

galaxy roundSamsung Galaxy Round is now officially announced and I must say right away, from what I’ve read this morning about it, I’m pretty disappointed. Here’s why…

First of all, it’ll be waaaaaaaaaaaaaaay too expensive (1000USD) although it’s somewhat inferior to it’s cheaper brother, Note 3 (smaller capacity battery for example).

I can understand that they wanted a curved screen phone just so they can claim they did it first, but if this was my product, I’d go for X-axis curve, rather than Y-axis they went for. In my opinion this would be way more interesting as it would look significantly different from all other phones on the market today. Judging by available pictures online, people won’t notice anything different on this phone/phablet until they really pay attention or get really close.

Samsung’s press release on Galaxy Round is very, very non-specific. It feels as if Samsung guys themselves could not figure out anything special about their new product so they just used bunch of buzzwords and phrases. You can read the whole press release at the bottom of this text.

In terms of plain specs, the Galaxy Round features a mammoth 5.7-inch Super AMOLED display, and weighs in at 154 grams with a waist line of 7.9mm. To deal with such a huge screen size, the Galaxy Round will also include features like One-Hand Operation, letting a user put customizable controls on a specific, close corner of the display. Users can also run multiple applications in the same window, or run simultaneous multiple instances of the same application if they so choose.

The phone will run Android 4.3 Jelly Bean on a 2.3GHz quad-core processor, complete with 32GB or 64GB of internal memory under the hood.

The Round will also sport a 13-megapixel rear-facing shooter and a 2MP front-facing for video chat, as well as a 2,800 mAh battery.


The press release:

Samsung GALAXY ROUND Pioneers the Curved Display Smartphone Experience

New device presents world’s first commercialized full HD Super AMOLED flexible display

Seoul, Korea – October 9, 2013 – Samsung Electronics Co., Ltd. today introduced GALAXY ROUND, the world’s first curved display smartphone. Samsung has been a mobile display innovator by introducing color TFT-LCD, AMOLED, and Super AMOLED flexible display for its mobile product. With this pioneering curved display technology, GALAXY ROUND blends the latest smartphone screen innovations with unique design features. The sleek and thin Samsung GALAXY ROUND which equipped with a 5.7” Full HD Super AMOLED with 7.9mm thick and weighs 154g offers a comfortable hand grip feeling to user, and exclusive experiences of curved display.

As a result of its unique curved design, users can take advantage of round integration experiences like the Roll Effect that enables user to check information such as date, time, missed call and battery easily when home screen is off, and the Gravity Effect for creating visual interaction with the screen by tilting the device. For music, the Bounce UX enables users to control their music. When the GALAXY ROUND’s display is off while the music player is running, a short press to the left of the device will play the previous track while a short press to the right will play the next track. For pictures and videos, the Side Mirror feature enables users to gain access to list of the album content with a left and right tilt.

The large screen size of the GALAXY ROUND provides additional benefits to users. Useful One-Hand Operation features bring a user’s most desired controls closer to a preferred side of the screen. The device enables enhanced multitasking capabilities that allow users to fully utilize the larger screen through Multi Window, a feature that enables users to open more than one application on the screen, run simultaneous multiple instances of the same application or to easily share content between applications.

Samsung GALAXY ROUND is available in Korea with Luxury Brown, and more color will be available soon.

* All functionality, features, specifications, and other product information provided in this document including, but not limited to, the benefits, design, pricing, components, performance, availability, and capabilities of the product are subject to change without notice or obligation.

About Samsung Electronics Co., Ltd. Samsung Electronics Co., Ltd. is a global leader in technology, opening new possibilities for people everywhere. Through relentless innovation and discovery, we are transforming the worlds of televisions, smartphones, personal computers, printers, cameras, home appliances, LTE systems, medical devices, semiconductors and LED solutions. We employ 270,000 people across 79 countries with annual sales of US$187.8 billion. To discover more, please visit http://www.samsung.com.


Enter the Sarajevo photowalk and get a chance for winning photo equipment worth more than 13000 USD

On Saturday, October 5, 2013, the world will walk again with Scott Kelby, president of Kelby Training and #1 bestselling photography and technology book author, in the 6th Annual Worldwide Photo Walk™.

Scott Kelby’s  Worldwide Photo Walk is the world’s largest global social photography event in the history of photography itself. It takes place on the same day around the world where photographers of all walks of life and skill levels gather together, usually in downtown areas to socialize, learn new tips from each other, and explore their corner of the world through photography.

I’m supposed to lead a Sarajevo photowalk, but not month ago I broke my leg (a foot actually). Plaster cast has been already removed from my leg, but I’m not sure I will be able to endure walking for several hours. I will do my best though.

If you’re interested in taking participation in this event, there’s still room for plenty of photographers. If you’re free on this Saturday afternoon, please join us and get a chance to win photo equipment worth more than 13 000 USD. There are no limitations on photo equipment to be used. You can participate even with your phone camera.

After the walk, I will chose the best photo of the day and that one will enter the main competition for the grand prize.

You can sign up for the Sarajevo Photowalk right here


WooHoooo I won James Shmelzer's course rental on Kelby Training

Each Thursday, Scott Kelby gives stuff away on his blog. He calls it “Free Stuff Thursday”. I’ve started with digital photography because of Scott (when I read his first book on digital photography, and later on the rest of them, 4 in total) and I’ve been following him around on the web for a while now.

Up until very recently I’ve never left any comments or response on anything on Scott’s blog, or one of his online shows/podcasts (for complete list of shows produced by KelbyTV please visit this link). As of a month or two ago I’ve started commenting interesting stuff on his web sites, including Free Stuff Thursday blog. And last week I won James Shmelzer’s course rental on Kelby Training.

I wonI know it’s a small thing, but I’m unusually happy about it. I’ve had a chance to watch several kelbytraining classes already and I know most of them are great. Best thing is, I’ve never watched James Shmelzer’s class so I’m excited about “meeting’ a new instructor as well.

At the end….
Scott, thanks a bunch and keep producing great instructional/inspirational/educational content for photographers and those like me (photographer wannabees :D).

Microsoft presented IllumiRoom proof of concept

Microsoft just presented their new prototype system consisting of projector and a 3d scanner. This system uses Kinect but Microsoft do not want to reveal any more technical details. Here’s their teaser video showing how should actual experience look like once the system (eventually) goes into production.

Personally, I’m quite skeptical about usability of this system, at least at first. I expect it to be buggy beyond believable, but I’d really, really, really like to be wrong.

Random DateTime in the range

So You need a random DateTime value in some range, and C# Random class does not provide Random.NextDateTime(from, to). Here’s my simple solution for this problem…

public static DateTime NextDateTime(this Random rnd, DateTime dateTimeFrom, DateTime dateTimeTo)
//Calculate cumulative number of seconds between two DateTimes
Int32 Days = (dateTimeTo – dateTimeFrom).Days * 60 * 60 *24;
Int32 Hours = (dateTimeTo – dateTimeFrom).Hours * 60 * 60;
Int32 Minutes = (dateTimeTo – dateTimeFrom).Minutes * 60;
Int32 Seconds = (dateTimeTo – dateTimeFrom).Seconds;

Int32 range = Days + Hours + Minutes + Seconds;

//Add random number of seconds to dateTimeFrom
Int32 NumberOfSecondsToAdd = rnd.Next(range);
DateTime result = dateTimeFrom.AddSeconds(NumberOfSecondsToAdd);

//Return the value
return result;

As this method is written as an extension method to Random class, you’ll be able to use it just as a static Random class method (Random.NextDateTime(startDateTime, endDateTime). For example…

public static DateTime[] InitializeDatesAndTimes(Int32 count, DateTime dateTimeFrom, DateTime dateTimeTo)
Random rand = new Random();
DateTime[] result = new DateTime[count];
for (int i = 0; i < count; i++)
result[i] = rand.NextDateTime(dateTimeFrom, dateTimeTo);

return result;

Solution to the gcc error: undefined reference to `ilogb’

The ilogb( ) functions return the exponent of their floating-point argument as a signed integer. If the argument is not normalized, ilogb( ) returns the exponent of its normalized value.

Here’s simple program that uses ilogb()

#include <math.h>

int main(int argc, char*argv[]){
double x = 1234.5678;

int retval = ilogb(x);
return 0;

Now, if You use this function and get the following gcc linker error:

undefined reference to `ilogb’

That probably means that You did not tell gcc to link proper library (which contains ilogb function).

You can do this by using -lm switches. The -l means link a library. The m means the math library. You need to link the math library. This is the standard library that has common math functions like sqrt, sin, cos, log, etc. Linking makes these functions available to the main program.

Now You should be able to properly and successfully compile and link Your program.

$ gcc ilogb.c -lm


Sir Ken Robinson says schools kill creativity

I’d like to share with You an inspirational video by Sir Ken Robinson. Sir Ken Robinson makes an entertaining and profoundly moving case for creating an education system that nurtures (rather than undermines) creativity. Sir Ken challenges the way we’re educating our children. He champions a radical rethink of our school systems, to cultivate creativity and acknowledge multiple types of intelligence.



Why you should listen to him:

Why don’t we get the best out of people? Sir Ken Robinson argues that it’s because we’ve been educated to become good workers, rather than creative thinkers. Students with restless minds and bodies — far from being cultivated for their energy and curiosity — are ignored or even stigmatized, with terrible consequences. “We are educating people out of their creativity,” Robinson says. It’s a message with deep resonance. Robinson’s TEDTalk has been distributed widely around the Web since its release in June 2006. The most popular words framing blog posts on his talk? “Everyone should watch this.”

A visionary cultural leader, Sir Ken led the British government’s 1998 advisory committee on creative and cultural education, a massive inquiry into the significance of creativity in the educational system and the economy, and was knighted in 2003 for his achievements. His latest book, The Element: How Finding Your Passion Changes Everything, a deep look at human creativity and education, was published in January 2009.

“Ken’s vision and expertise is sought by public and commercial organizations throughout the world.”


personal blog and website