Lighting, furniture, and meeting tools should be able to change to accommodate the users of the space. Meetings are theatre. Business is entertainment. Meeting room designers should take their cue from stage designers who understand the essence of creating an image to match the desired need. All within the same physical space, but two different environments.
Technology can improve a meeting when the correct mix of tools and message are utilized.
Technology tools like PowerPoint will not make you a better speaker, but they can make a good speaker worse. Slide Transitions should be consistent throughout the show and use the most subtle one you can find. Invest in a remote device that can change the slide. Frequent stopping to find the enter key or mouse on your laptop can be distracting. You have to keep their attention.