狠狠撸shows by User: DanCard1 / http://www.slideshare.net/images/logo.gif 狠狠撸shows by User: DanCard1 / 狠狠撸Share feed for 狠狠撸shows by User: DanCard1 https://cdn.slidesharecdn.com/profile-photo-DanCard1-48x48.jpg?cb=1528130028 Dan is a systems designer and technology integrator with experience in product design, dashboard and portal construction, technology education and making technology systems simultaneously more powerful and easier to use.