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moat-id="article/article-topper|business" data-chain-name="no-name" data-feature-name="no-name" data-feature-id="article/article-topper" data-pb-fingerprint="0fnFtBwNlqb" id="fiowE11ayMqtHq"> <div class="border-bottom-off border-bottom-"> <div id="article-topper" class="article-topper "> <div class="headline-kicker"><a class='kicker-link' href='http://www.washingtonpost.com/news/innovations'>Innovations</a></div> <div> <div id="topper-headline-wrapper" class="col-xs-12 col-sm-12 col-lg-12"> <h1 data-pb-field="custom.topperDisplayName" itemprop="headline">Hurricane Irma just made a digital walkie-talkie the No. 1 app online</h1> </div> <wp-ad id="slug_tiffany_tile" data-ad-type="tiffany_tile" class="hidden-xs right"></wp-ad> </div> <div id="essentials-topperx" style="display: none;"></div> <div class="clear"></div> </div> </div> </div> <div class="pb-container"> </div></section> <section id="main-content" class="col-xl-9 col-lg-8 col-md-8 col-sm-12 col-xs-12 col-xs-offset-0 col-sm-offset-0 col-md-offset-0 col-lg-offset-0 layout"> <div class="moat-trackable pb-f-theme-normal pb-f-dehydrate-false pb-f-async-false full pb-feature pb-layout-item pb-f-article-article-deck" moat-id="article/article-deck|business" data-chain-name="no-name" data-feature-name="no-name" data-feature-id="article/article-deck" data-pb-fingerprint="0fRFtBwNlqY" id="fgzFVe2ayMqtHq"> <div id="article-deck" class="article-deck"> <div class="clear"></div> </div> </div> <div class="moat-trackable pb-f-theme-normal pb-f-dehydrate-false pb-f-async-false full pb-feature pb-layout-item pb-f-article-article-body" moat-id="article/article-body|business" data-chain-name="no-name" data-feature-name="no-name" data-feature-id="article/article-body" data-pb-fingerprint="0fyFtBwNlqA" id="fQyVTf2ayMqtHq"> <div id="article-body" class="article-body content-format-default"> <div class="pb-sig-line hasnt-headshot has-0-headshots hasnt-bio is-not-column"> <span class="pb-byline" itemprop="author" itemscope itemtype="http://schema.org/Person">By <a href="https://www.washingtonpost.com/people/peter-holley/"><span itemprop="name">Peter Holley</span></a></span> <span class="pb-byline-tool-mobile"> <span class="pb-byline" itemprop="author" itemscope itemtype="http://schema.org/Person">By <a href="https://www.washingtonpost.com/people/peter-holley/"><span itemprop="name">Peter Holley</span></a></span> <span class="pb-tool email"><a href="mailto:peter.holley@washpost.com?subject=Reader feedback for 'Hurricane Irma just made a digital walkie-talkie the No. 1 app online'"><span class="fa fa-envelope"></span><span class="envelope-label">Email the author</span></a></span> </span> <span class="pb-timestamp" itemprop="datePublished" content="2017-09-07T06:40-500">September 7, 2017</span> <span class="pb-tool email"><a href="mailto:peter.holley@washpost.com?subject=Reader feedback for 'Hurricane Irma just made a digital walkie-talkie the No. 1 app online'"><span class="fa fa-envelope"></span><span class="envelope-label">Email the author</span></a></span> <span class="tweet-authors"><span class="pb-twitter-follow unprocessed"><a href="https://twitter.com/@peterjholley" class="twitter-follow-button" data-show-count="false" data-lang="en">Follow @peterjholley</a></span> </span> <span class="pb-bolt"><i class="fa fa-bolt"></i></span> </div> <article class="paywall" itemprop="articleBody"> <div class="inline-content inline-video"> <div class="posttv-video-embed powa" data-ad-bar="1" data-aspect-ratio="0.5625" data-blurb="1" data-live="0" data-object-id="59a6e124e4b090ef295b2b0b" data-org="wapo" data-playthrough="1" data-uuid="5fe1cbd0-8d9c-11e7-9c53-6a169beb0953" data-youtube-id="fcf--6EX2ew"> <script async="" src="https://www.washingtonpost.com/player/prod/PoWaLoaderWapo.js?_=20180213"></script> </div> <div class="inline-video-caption"> <span class="pb-caption">The Cajun Navy used Zello, a free walkie-talkie app, in its efforts to rescue victims of Tropical Storm Harvey. The app is now the #1 app online in preparation for Irma. (Jhaan Elker/The Washington Post)</span> </div> </div> <div class="flex-embed-dummy-script"><script charset="utf-8"></script></div> <p>As Hurricane Harvey dropped anchor over Southeast Texas last week, Zello became the go-to app for rescuers working to save thousands of people trapped by floodwaters.</p> <p>Within days of Harvey’s arrival, the app saw a 20-fold increase in usage in Houston, according to Bill Moore, the Austin based startup’s the chief executive.</p> <p>As Hurricane Irma hurtles across the Caribbean toward the coast of Florida, Zello continues to boom in popularity. The free Internet “walkie-talkie” app — which relies on cellphone data plans or WiFi and is designed to operate in places where signals are weak — became the top app on <a href="https://www.apple.com/itunes/charts/free-apps/">iTunes</a> and <a href="https://play.google.com/store/apps/top?utm_source=na_Med&amp;utm_medium=hasem&amp;utm_content=Aug0217&amp;utm_campaign=Evergreen&amp;pcampaignid=MKT-DR-na-us-1000189-Med-hasem-py-Evergreen-Aug0217-Text_Search_BKWS%7cEXA%7cONSEM_kwid_43700023142501811&amp;gclid=Cj0KCQjwub7NBRDJARIsAP7wlT-0WB4qw6NVQhqvQB0R5VjFw7zUPx2sHFRx3cjSb_KG8nONWm3btPsaAmHrEALw_wcB&amp;gclsrc=aw.ds&amp;dclid=CKDj3s3DkdYCFcZGDAodgY4KYg">Google Play</a> Wednesday<strong>.</strong></p> <p>The latest influx began Tuesday and, at one point, Moore said, 120 people were registering for the app every second. In recent days, the app has also trended on Facebook and Twitter, offering another example of the pivotal role social media is playing in natural disasters.</p> <p>“The heat map of where the registrations are occurring looks like the hurricane’s forecast path,” he added. “It’s very dense at the tip among the Caribbean islands and then fans out across Florida.”</p> <p channel="wp.com" class="interstitial-link"> <i> [<a href="https://www.washingtonpost.com/national/texans-do-it-ourselves-rescue-effort-defines-hurricane-harvey/2017/09/02/f41bb8ee-8f2f-11e7-8df5-c2e5cf46c1e2_story.html?utm_term=.cfc223765540">Texans’ do-it-ourselves rescue effort defines Hurricane Harvey</a>] </i> </p> <p>Moore said so many people registered for the app Tuesday that Zello suffered some performance issues, which have since been resolved.</p> <div class="inline-content inline-html"> <blockquote class="twitter-tweet" data-width="500"> <p dir="ltr" lang="en">Due to unusually high rate of sign ups (7000k per minute) Zello is currently experiencing with channels search… <a href="https://t.co/e0ooD1JpS8">https://t.co/e0ooD1JpS8</a></p> <p>— Zello Inc (@Zello) <a href="https://twitter.com/Zello/status/905124694327742464">September 5, 2017</a></p></blockquote> <p><script async="" charset="utf-8" src="//platform.twitter.com/widgets.js"></script></p> </div> <div class="flex-embed-dummy-script"><script charset="utf-8"></script></div> <div class="inline-content inline-html"> <blockquote class="twitter-tweet" data-width="500"> <p dir="ltr" lang="en">600,000 new users joined Zello today.</p> <p>— Zello Inc (@Zello) <a href="https://twitter.com/Zello/status/905235027646177280">September 6, 2017</a></p></blockquote> <p><script async="" charset="utf-8" src="//platform.twitter.com/widgets.js"></script></p> </div> <div class="flex-embed-dummy-script"><script charset="utf-8"></script></div> <div class="inline-content inline-html"> <blockquote class="twitter-tweet" data-width="500"> <p dir="ltr" lang="en">There is a massive misinformation among users in Puerto Rico that Zello will work without internet. It will *not*, please RT.</p> <p>— Zello Inc (@Zello) <a href="https://twitter.com/Zello/status/905306082574204928">September 6, 2017</a></p></blockquote> <p><script async="" charset="utf-8" src="//platform.twitter.com/widgets.js"></script></p> </div> <div class="flex-embed-dummy-script"><script charset="utf-8"></script></div> <p>Forecasters are calling Irma “a potentially catastrophic Category 5” storm with sustained winds of 185 mps, according to the <a href="http://www.nhc.noaa.gov/">National Oceanic and Atmospheric Administration</a>. Florida officials have begun evacuating portions of the eastern coastline, which is densely packed with cities, towns and suburbs.</p> <p>The storm is the most powerful to threaten the East Coast in a decade,<a href="https://www.washingtonpost.com/news/post-nation/wp/2017/09/06/evacuations-begin-in-florida-as-hurricane-irma-bears-down-on-puerto-rico-virgin-islands/?hpid=hp_hp-top-table-main_irma-9a%3Ahomepage%2Fstory&amp;utm_term=.65ff426f1d37"> according to The Washington Post’s Francisco Alvarado and Mark Berman</a>. Interest in the storm is being reflected in app downloads, according to Adam Blacker, a research analyst for Apptopia, a company that tracks the mobile app economy.</p> <p>“People are tracking the weather hardcore right now,” Blacker said via email. “The top paid app right now is NOAA Pro Weather Alerts and the #3 paid app right now is Hurricane Tracker.”</p> <div class="inline-content inline-photo-right" style="width:300px;"> <a name="948aefe052"></a> <img alt="" src="https://img.washingtonpost.com/blogs/innovations/files/2017/09/image-300x171.png"/> <span class="pb-caption">Weather apps have spiked in popularity in recent days after multiple hurricane’s have threatened U.S. cities. (Photo courtesy of Apptopia)</span> </div> <p>In Southeast Texas, also a densely populated area, Zello proved to be a useful tool for coordinating a chaotic rescue operation run by numerous groups filling in for overwhelmed public officials, many of them grass-roots volunteers like the Cajun Navy, a Louisiana group that helps with search-and-rescue efforts in time of need.</p> <p>The app has more than 100,000,000 users worldwide, including in Hong Kong, where it is popular with taxi drivers. The app seems to thrive in locations where government services struggle to meet demand, such as Egypt, South Africa, Venezuela, and parts of the Middle East.</p> <p>During Harvey, the app allowed victims and rescuers to post voice messages to specific channels, such as “the Cajun Navy” and “Harvey Animal Rescue.”</p> <p>In Houston, volunteers found another way to use the app. By monitoring Facebook, Twitter and Instagram, users were able to feed information to rescue boaters who then took that information and used Zello to coordinate rescues in flooded neighborhoods all over the region.</p> <p channel="wp.com" class="interstitial-link"> <i> [<a href="https://www.washingtonpost.com/news/the-switch/wp/2017/08/28/water-is-swallowing-us-up-in-houston-desperate-flood-victims-turn-to-social-media-for-survival/?utm_term=.ce57101e9ebd">‘Water is swallowing us up’: In Houston, desperate flood victims turn to social media for survival</a>] </i> </p> <p>“With voice, someone can communicate a ton of information in a way that text does not,” Moore told The Post last week. “In a few seconds of hearing your voice, I can guess what part of the country you’re from, if you’ve been drinking, what mood you’re in, whether you’re afraid or in distress.”</p> <p>“For that reason, voice becomes great for solving problems, and it demands attention from both sides in a way that texting does not,” he added. “Your brain is wired for voice.”</p> <p>Despite the app’s booming popularity, Moore said the recent spike that arrived with Irma caught even him by surprise.</p> <p>“It’s just a lot of scale,” he said. “People are hearing about the app and how generally useful it is during disasters. It’s great to be part of the solution.”</p> <p><strong>MORE READING: </strong></p> <p><a href="https://www.washingtonpost.com/news/innovations/wp/2017/08/31/the-cajun-navys-secret-weapon-for-saving-lives-the-human-voice/?utm_term=.1488a71194bb"><em>The ‘Cajun Navy’s’ secret weapon for saving lives: The human voice</em></a></p> <p><a href="https://www.washingtonpost.com/news/innovations/wp/2017/09/01/say-goodbye-to-juicero-the-maker-of-the-400-juicer/?utm_term=.1bd48397b217"><em>Say goodbye to Juicero, the maker of the $400 juicer</em></a></p> <p><a href="https://www.washingtonpost.com/news/innovations/wp/2017/08/25/you-can-now-have-sushi-delivered-by-a-drone/?utm_term=.13207df95494"><em>You can now have sushi delivered by a drone</em></a></p></article> <div class="clear"></div> </div> </div> <div class="pb-container"> <div id="f0q2PZmayMqtHq" class="pb-async pb-feature"></div> </div> <div id="f0ihx5GayMqtHq" class="pb-async pb-feature"></div> <div class="chain-wrapper standard-chain 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window.pageBuilder.loadAsyncChains = window.pageBuilder.loadAsyncChains || function () {
        var d = window.document;
        var chains = d.getElementsByClassName("pb-async pb-chain");
        var ids = [].slice.call(chains).map(function (node) { return node.id; });
        ids.forEach(function(id) {
            window.pageBuilder.loadAsyncChain(id);
        });
    };

window.pageBuilder.loadAsync = window.pageBuilder.loadAsync || function(){
        window.pageBuilder.loadAsyncFeatures();
        window.pageBuilder.loadAsyncChains();
};

window.pageBuilder.loadAsync();

</script>