anchor.diff:            <article id="general_questions" class="source-article">
               <header>
                 <h2>General</h2>
  +                <p>Global Forest Watch is an online platform offering a range of data and functionality to support governments, companies, civil society, and communities in their effort to reduce global deforestation and improve livelihoods. The confluence of data and technology is foundational to GFW, but user needs drive the functionality we provide.</p>  
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  -                  <p>Global Forest Watch is an online platform offering a range of data and functionality to support governments, companies, civil society, and communities in their effort to reduce global deforestation and improve livelihoods. The confluence of data and technology is foundational to GFW, but user needs drive the functionality we provide.</p>  
  -<h3>Navigating the homepage</h3>
  -<p>GFW was designed to be both user-friendly and useful. When you first navigate to the homepage you will see many ways to get started and links to important pages. To begin, you can explore and analyze data on the GFW interactive map by clicking EXPLORE THE MAP or view simple country statistics and rankings by clicking COUNTRY PROFILES + RANKINGS. You can also start by visiting one of the GFW Applications, GFW Fires or GFW Commodities, find out how to develop your own application, or view the forthcoming applications.</p>
  -<p>From the homepage, you can also view recent activity—user submitted stories and blogposts, recent stories, and social media—and find out how you can keep updated and get involved. The homepage also features links to the data portal and the GFW blog, and a list of our core partners.</p>  
  -<p>Whether you arrive at GFW with a clear purpose or would just like to explore different features of the platform, the tabs on the left contain information to help you find your way.</p>
  +                  <h3>Navigating the homepage</h3>
  +                  <p>GFW was designed to be both user-friendly and useful. When you first navigate to the homepage you will see many ways to get started and links to important pages. To begin, you can explore and analyze data on the GFW interactive map by clicking EXPLORE THE MAP or view simple country statistics and rankings by clicking COUNTRY PROFILES + RANKINGS. You can also start by visiting one of the GFW Applications, GFW Fires or GFW Commodities, find out how to develop your own application, or view the forthcoming applications.</p>
  +                  <p>From the homepage, you can also view recent activity—user submitted stories and blogposts, recent stories, and social media—and find out how you can keep updated and get involved. The homepage also features links to the data portal and the GFW blog, and a list of our core partners.</p>  
  +                  <p>Whether you arrive at GFW with a clear purpose or would just like to explore different features of the platform, the tabs on the left contain information to help you find your way.</p>
   
  -<p>Please note: if you are searching for information on specific GFW Applications, please visit the application website and navigate to the “HOW TO” page.</p>  
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  -                </ul>                  
  +                  <p>Please note: if you are searching for information on specific GFW Applications, please visit the application website and navigate to the “HOW TO” page.</p>  
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positive.code:             <header>
                <h2>Analyzing Data</h2>
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            <article id="web_platform" class="source-article">
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negative.code:                   <h3>Viewing Data</h3>
                    <p>When you enter the GFW interactive map, UMD/Google tree cover loss and gain data layers are displayed by default. Using the tabs across the top of the map, you can view the range of available data, categorized by type, and find more information for each by clicking the “?” icon. Simply select a data layer to turn it on or off in the map. You can view currently displayed data layers in the summary window on the left-hand side of the page. For data layers restricted to a particular geographic region (e.g., FORMA alerts), this window also provides the option to turn on the “Geographic coverage.” This feature allows you to view the geographic extent of the particular data layer on the map.</p>  
  
                    <p><b>Try it out!</b> Under the “FOREST CHANGE” tab, select “FORMA alerts.” In the data window, turn on the geographic coverage. Now overlay the alerts with protected areas, which can be turned on in the “CONSERVATION” tab.</p>  
  
                    <p>A timeline can be found on the bottom of the map when a “FOREST CHANGE” layer is turned on, referred to as the “time slider.” The time slider allows you to view data over time and/or within a defined time interval. By default, each layer displays data from the entire study period (i.e., not restricted to a time interval). Some data layers (e.g., UMD/Google tree cover loss) allow you to view change over time by selecting the “play” icon on the time slider. For these layers, you can also drag the square ends of the time slider to view data for a defined time period. You can define the time interval displayed in other data layers by clicking on your desired timeframe.</p> 
  
                    <p><b>Try it out!</b> With UMD/Google tree cover loss turned on (the default data layer), press the “play” icon located on the time slider at the bottom of the map. Now try viewing data only since 2004 (hint: drag the handles of the time slider).</p> 
  
                    <p>Some data layers are more interactive on the map; you can click on individual shapes to see additional information. This feature applies to “NASA active fires,” and to data within “FOREST USE,” “CONSERVATION,” and “PEOPLE” tabs. Within some of these layers, you can also analyze data found under the “FOREST CHANGE” by individual data layer shapes. See below for more information.</p>
                    <p>[Insert screencast]</p>
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