Guilherme Barreto Carvalho

17 Flips | 3 Magazines | 15 Likes | 2 Following | 7 Followers | @guilhermeweb | Keep up with Guilherme Barreto Carvalho on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Guilherme Barreto Carvalho”

101 of the Most Fantastic Interactive Infographics You’ll Love

If you have a ton of data and you want to tell a good story, interactive infographics are a fantastic tool. They entice your audience to explore the …

It’s smart economics to lease your next iPhone

Last year I made a long overdue phone upgrade and was dismayed to find out the rules had changed. Now instead of buying a phone at a discount, my options were either to lease or buy the phone at the full price. Being a good, rational economist, I defer to certain defaults when faced with a slick …

Mobile Technology

I went from multimillionaire to broke overnight — here's how I reinvented myself

You may dream of starting a new business. You could move across the country. You fall in and out of love. You lose a loved one.<p>In other words, life happens and it completely turns your life upside down.<p>Around four years ago, it seemed like I was living the dream. I successfully sold my startup, had …

Why Should Senior Engineers Balance Trees in an Interview?

For nearly as long as companies have hired programmers, managers have asked engineering candidates to solve fundamental algorithm and data structure problems. And for nearly just as long, engineers have debated the validity of these challenges in job interviews (2005, 2015).<p>The argument is: If I’m …

Why are some of the Web's ugliest sites also the most popular?

If you’ve been on the Web in the past decade, you’ll likely have visited Reddit, Craigslist, Wikipedia, 4Chan, Hacker News, or The Drudge Report at some point. While these sites are all vastly different, they have two things in common: they’re all extremely popular among their audiences and they …

Understanding the Exposure Triangle in Photography

<i>Jo Plumridge is a British writer and photographer who specializes in design, travel and comedy pieces. As a photographer, she focuses on portraiture. This post was originally published on the Shutterstock blog and has been reprinted with permission.</i><p>Even with the advent of digital technology, the …

The Top LinkedIn Tricks for Outfoxing your Competition

Most professionals I run into consider LinkedIn to be a place to connect with other humans, not companies. But, as my friend Mitt used to say: corporations are people, too.<p>Go to the Interests tab, click on Companies, and you’ll see a list of companies you’re already following. If you want to add …

Popcorn Time: Everything you need to know about the Netflix of Torrents

Popcorn Time’s popularity has taken off this year by bringing BitTorrent streaming into the mainstream with a lineup of apps that let users watch nearly any new blockbuster they want for free with just the tap of a finger.<p>We published a hack that brings the popular Netflix-alternative to iOS 8 …

The Earth From Space: Guess the U.S. City at Night

Photos by astronauts taken during the Earth’s nighttime can reveal the differences in shapes, sizes, and brightness of American cities. Can you identify which city is which?

Will it be a hit or a bomb with the public? Read the brain waves

To predict a large population's likely response to something--a product, politician or policy--political consultants, marketing gurus and advertising execs have long favored the focus group. Ask a small segment of the target audience what it thinks about something, the formula goes. Tweak …

Game On! News And Photos From Game Developers Conference [Liveblog]

Horde or Human? You Decide Who Wins In <i>World Zombination</i><p>Pick your side in this faction-based strategy MMO from developer Proletariat Games. <i>World Zombination</i> is an upcoming iOS game that includes hordes of zombies and the humans trying to protect the world locked in battle across asynchronous but …

With A Voice Interface API For Any App, Wit.ai Wants To Be The Twilio For Natural Language

Last year, voice technology giant Nuance quietly acquired VirtuOz, a developer of virtual assistants for online sales, marketing and support — a “Siri for the enterprise” that counted the likes of PayPal and AT&T as customers. Now, Alexandre Lebrun, the founder and CEO of VirtuOz, has taken a dive …

Airbnb Tests Cleaning, Key Handoff, Airport Transportation & Other Hospitality Services

Airbnb is trying to find new ways to encourage guests to stay at its listings, and that could include a whole new set of amenities. Thanks to the hiring of new head of hospitality Chip Conley, the company is experimenting with a whole bunch of services in different markets that could improve stays …

How Wearable Computing Will Change Everything, Including Apple

Listen, you tech-savvy, trend-resisting cynic you. I want you to stop dismissing wearable computing as a pointless, narcissistic fad.<p>Wearable computing is not for people too lazy to look at their phones. It’s not a trendy toy for wealthy yuppies. And it’s not about joining Robert Scoble in the …

Wearable Tech

Free Chat App Messaging Has Officially Overtaken Costly SMS In Popularity

Carriers have made a killing over the last decade by charging customers absurd rates on SMS texting plans, but the times are quickly changing.<p>To avoid SMS fees, smartphone users have embraced free chat app messaging via apps like iMessage, WhatsApp, and Kik. As a result, SMS is starting to die a …

Test Finds Samsung Galaxy S4 More Breakable Than S3, iPhone

When designing its new Galaxy S4 flagship smartphone, Samsung said it considered the question, “How can we change people’s lives for the better?” The …

America’s tech talent shortage is a myth

So it turns out the United States is not, in fact, the educational wasteland tech industry lobbyists would have you think.<p>Companies like Microsoft often claim that America is suffering from an economically hobbling shortage of science, math, and computer talent. The solution, they argue, is to let …

University of California