Reblog from Writing in Science
There are great points made in this blog post on the use of acknowledgements in talks. This blog generally has great advice.
“Last words are our strongest. That’s why the punchline comes at the end of the joke and the conclusions at the end of a presentation. The conclusion slide is the ‘take home message’ that we want our audience to soak up. So we should leave that message in front of them for as long as possible. Even while people are asking questions—let them stew on your conclusions.”