• Profile your JavaScript
• Access the DOM once and in one big hit
• Use Local versus Global variables
• Avoid string.join
• Access arrays objects once, if used multiple times

All the tips here

http://www.netmagazine.com/tutorials/optimise-your-javascript

Great tips for your Scrum project to try out

1. Draw Sprint Burndown Chart manually
    
2. Change questions in your Daily Scrum
   # What did I get done since last time?
   # What was blocking me?
   # What can we do as a team to maximize value till tomorrow? 
    
3. No beamer in the Sprint Planning
    
4. Commitment to Sprint Goal during the Sprint (Daily Scrum etc.)
    
5. Only discuss stories in the Sprint Planning meeting (no tasks)
    
6. Only talk about the Sprint goal in the Sprint Planning meeting (no stories, no tasks) 
    
7. Single Piece Flow during the Sprint
    
8. Do 4 Daily Scrums (9h, 11h, 14h, and 16h)
    
9. Have a Product Backlog Board
    
10. Have the End User in the Review meeting
     
11. Do only one change after the Sprint Retrospective
     
12. Cut the Sprint length in half
    # from 4 weeks to 2 weeks
    # from 2 weeks to 1 week
    # from 1 week to 2 days 

Slides in German

http://www.xpdays.de/twiki/bin/view/XPDays2011/TryThisDingeDieSieInScrumMalAusprobierenSollten 

Presenting naked is about removing the unnecessary to expose what is important

Tips

• Find time alone for creativity and clarity
• Know your audience! 
• Show benefits for the audience, from their point of view
• Influence a change, Sell something, Think: “Active Listeners”

The presentation itself

• Never start with an apology (nervous, time, preparation,… appear professional)
• Keep it simple (Goals, messages, slides)
• Split presentation in 10min chunks
• Save the Best for the last

Presentation style

• Tell a story (Contrast & emotions)
  “What do you think happened next”  <- Rhetoric question
• Use “B” in PowerPoint
• Involve the audience

Blog post from Garr
http://presentationzen.blogs.com/presentationzen/2005/10/make_your_next_.html  

The book “The Naked Presenter” on Amazon
http://www.amazon.com/The-Naked-Presenter-Delivering-Presentations/dp/0321704452  

As per my other tumble: Great leaders tell great stories Book Review
and Steve Denning’s tips about StoryTelling
here are 6 great tips for a story

1. Try to pick the most intriguing place in your piece to begin
2. Try to create attention-grabbing images of a setting if that’s where you want to begin
3. Raise the reader’s curiosity about what is happening or is going to happen in an action scene
4. Describe a character so compellingly that we want to learn more about what happens to him or her
5. Present a situation so vital to our protagonist that we must read on
6. And most important, no matter what method you choose, start with something happening! (And not with ruminations. A character sitting in a cave or in jail or in a kitchen or in a car ruminating about the meaning of life and how he got to this point does not constitute something happening.)

6 Rules for a Great Story from Barnaby Conrad and Snoopy
http://www.brainpickings.org/index.php/2012/06/12/snoopy-barnaby-conrad-rules-for-stories/

Avoid these

• Sentences on slides
• Floodmarks (repeating stuff, logos etc…)
• Mouse movement all over the place
• Backtracking slides
• Slide Titles

Presentation Smells 
http://martinfowler.com/bliki/PresentationSmells.html