I took at look at your main app page. To be honest as a one-language-only filthy American I do think twice whenever I feel the wording does not "sound right". It makes me question the quality of the product or service (however unwarranted) and makes it a lot harder for me to trust you with my money.

With that said, here's a quick rewrite of some of your copy. You can use it verbatim if you like it, but otherwise I will not be offended if you think its terrible either =)

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The Internet gives You the unique opportunity to change the way You interact with Your customers.

Let's imagine you want to sell shoes on the Internet. You go to a site like eBay.com and signup. With a couple of clicks you get instant access to a huge marketplace of buyers and sellers, powerful merchant tools like payment processing, inventory management and automatic printable shipping labels; you get a complete service solution instantly.

But what if you sell services?

Selling & delivering shoes is not like selling & delivering services. Service-based businesses typically must deal with:

  -- Long, drawn-out sales cycles.

  -- Project delivery and continual customer communication.

  -- Virtual team management and subcontracting.

  -- Billing & invoicing - often in phases based on billable man-hours.

Above all, we must be human. A service based business succeeds on the quality of human-level support and follow through.

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Notes:

I took out a lot of unecessary filler words. You don't need to put things like "we feel", or "I believe", be confident and talk as if it's fact! Also be very conscious of using "I" and "we". Replace those with "YOU" when applicable. The application, the service, the benefits, its all about YOUR CUSTOMER. YOU YOU YOU YOU YOU. Get used to writing about your customer.

Hope this helps.