Aaron Parecki is the co-founder of Geoloqi.com, and specializes in backend systems development.
If you’re like me, you’ve probably got a lot of bookmarks saved on Delicious. If you’re not, you might know someone who does. With Delicious going offline, the question is where people are going to be taking their Delicious bookmarks? If you have a Delicious account (created after the Yahoo! acquisition), your only download option is a html download exporting to browser bookmarks. This... 
Many people keep asking me why I use Tropo instead of Twilio. It seems that Twilio does a great job of getting the word out about their service, so many people end up using them first. But there are a few reasons I’m using Tropo instead. Basically it comes down to features, scalability and support.
AIM, Yahoo IM, MSN, Jabber and Twitter!
In addition to sending SMSs and calling phone numbers, Tropo... 
Say you want to register a couple different typos of your domain name, and redirect everyone seamlessly to the correct site. This can be done quite easily in Apache using ServerAlias and a simple RewriteRule. I just registered geoloqui.com after noticing a couple articles linking to it instead of geoloqi.com. But then I thought, wouldn’t it be useful if I could track these typos and see which ones... 
On the weekend of December 4th and 5th, people gathered in coworking spaces around the world for the Random Hacks of Kindness hackathon. In Seattle, two teams worked on Population Centers in Disaster, and Mobile Assessment of Damage for the Public.
Results
After a weekend of much hacking, good food, and good company, we came away with solid problem definitions, UI mockups, and prototypes of an iPhone... 