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  From creating your Mockup to sending it to Clients, everything is seamless, infact Lumzy doesn't have a file extension so your client needs not bother downloading a player to open Mockup files. A link is all they need.
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  You can add events to controls, place controls inside other containers and emulate your project with easy page navigation triggered by user actions. The player runs all these for your clients to see, test and even annotate.
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  When we say Quick, we meant it. Lumzy is fast to use. No downloads, no sending of files to clients. Simply click "Share" and your client sees the project on the other end, just as you created it, and can post comments back and forth iteratively.
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  Yeah, Lumzy incorporates realtime Chat over your projects. Simply add participants to your project and once online, you can Chat within same window over the project; Easy peasy.
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  Lumzy offers realtime collaboration faster than even Google Docs or Adobe Buzz. As you edit the project, add controls or remove some, all participants to the project see this realtime.
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  The only Mockup tool with a real image editor in-built. Grab any picture from your drive and edit it within Lumzy, apply hue, saturation, adjust contrast etc and add it to your project.