It creates a difference if the listener will be interested in you or your product or they will walk away. So, sometimes this puts a lot of pressure entrepreneurs.
How do you extract the most important information about your project without saying too little?
We've had the same problem. But, recently I found this short 5 minute video that helped me form our opening sentence. So, here is what I came up with:
"My company DoxOut is developing a cross platform office suite integrated with cloud to help people who own both mobile devices and PCs, to view, edit, create and collaborate on documents, from any device they have with them at the moment with complete functionality and unified UI and UX."