The Freemium business model is normal for consumer applications, but can it work for enterprise software? Freemium usually means a free service with an "up sell" to paid premium subscriptions. Examples include Skype, LinkedIn, Flickr, Ancestry.com, Typepad, Dropbox, and many others. Freemium differs from Free Trial in that a free trial is the fully functional product but only for a limited time. F
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