Update README.md

README.md

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 HarvardShuttle is a responsive web application designed for desktop, tablet, and mobile devices.  The latest version can be accessed at HarvardShuttle.org.
 
 Usage
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 Once you visit HarvardShuttle.org, you will be prompted to share your location information.  If you provide your location data, HarvardShuttle will automatically determine the closest shuttle stop near you.  Once a shuttle stop is determined, HarvardShuttle will automatically provide the next shuttle arrival times and route information.  You can change or refine arrival time infomation by either changing the origin stop or adding an optional destination stop.  If both an origin and destination stop is selected, alternative walking route and time information is provided.  The web application refreshes shuttle information every 20 seconds.
 
 Web Technologies
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 HarvardShuttle.org is purely based on HTML5 + JS.  All scripts and rendering are completed on client-side for speed and efficiency.  JQuery was used frequently for writing JS.  Most custom JS resides in harvardshuttle.js file.
 
 Frameworks
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 Like almost every modern website on the internet, HarvardShuttle.org uses the Bootstrap by Twitter framework.  A modified version of bootstrap-select was used to stylize HTML select elements like dropdown menus.  Overall, very little customization was done on the framework.
 
 APIs
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 HarvardShuttle employs the Transloc Open API and Bing Maps API.  Transloc provides the latest GPS data and shuttle information.  Bing Maps was used to visualize geolocation as well as provide walking time estimates.
 
 Design Flow
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 1. Cache Stop and Route Information
 2. Request Arrival Estimates When Shuttle Stops Selected
 3. Provide Walking Estimates, if necessary
 
 FAQ
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 What makes HarvardShuttle different from Shuttleboy?