Why I Like Prezi In my life, I have given a *lot* of presentations. In high school, they were presentations on group projects. In university, they were presentations on research projects. At Google, they're presentations on how to use our APIs. When I first started giving presentations, I used Powerpoint, like everyone else. But I kept thinking there must be a better way, and I experimented with other options - flash interfaces, interactive Javascript apps. Then I discovered Prezi, and it has become my presentation tool of choice. Prezi is an online tool for creating presentations - but it's not just a Powerpoint clone, like the Zoho or Google offering. When you first create a Prezi, you're greeted with a blank canvas and a small toolbox. You can write text, insert images, and draw arrows. You can draw frames (visible or hidden) around bits of content, and then you can define a path from one frame to the next frame. That path is your presentation. It's like being able to draw your thoughts on a whiteboard, and then instructing a camera where to go and what to zoom into. It's a simple idea, but I love it. Here's why: It forces me to "shape" my presentation. A slide deck is always linear in form, with no obvious structure of ideas inside of it. Each of my Prezis has a structure, and each structure is different. The structure is visual, but it supports a conceptual structure. One structure might be 3 main ideas, with rows of ideas for each one. Another might be 1 main idea, with a circular branching of subideas. Having a structure helps me to have more of a point to my presentations, and to realize the core ideas of them. It makes it easy to go from brainstorming stage to presentation stage, all in the same tool. I can write a bunch of thoughts, insert some images, and easily move them around, cluster them, re-order them, etc. I can figure out the structure of my presentation by looking at what I have laid out, and seeing how they fit together. Some people do this

SUNDAY, MAY 17, 2009 Creating a Wordsearch using Google Spreadsheets I'm a fan of alternative learning and testing techniques. Back when I was the teaching assistant for the "History of Video Games" class (yes, that's a real class), I gave the final exam as an illustrated crossword puzzle. It was surprisingly hard to find software for creating that crossword, so I hoped to make a Spreadsheets gadget to make it easier. Unfortunately, crossword-solving algorithms that run entirely in JavaScript are hard to find, and I gave up and went for second best: a wordsearch gadget. (A big thanks to Robert Klein for the wordsearch JavaScript library.) Here are steps for using the gadget: Create a new spreadsheet, and put a list of words in the first column. (Or, alternatively, use an existing spreadsheet that has a column of words you're interested in). My sample spreadsheet has a simple animals wordlist: Click on the "Insert" menu and then select "Gadget..." This presents you with various categories of gadgets to choose from (similar to the iGoogle directory). My gadget isn't yet in the gallery, so you'll need to select "Custom" and then type in the URL to the gadget: The gadget will appear embedded in the current worksheet, and it will prompt you to select a range of data to send to the gadget. Select all the cells that contain the desired words, and you should see the Range text field update with the range. If it doesn't work, you can always manually type it in. You can now customize the number of rows and columns. The default is 10 by 10, but if you have more words, you likely want a larger wordsearch. Click "Apply", and see the generated output. You have a few options for how you use the wordsearch. You can play with it immediately, inside that gadget, or you can use the option on the gadget menu to move the gadget to its own sheet and use it there. Note that each time you reload the spreadsheet, the wordsearch will be randomly generated with a new layout - so