Aaron Parecki is the co-founder of Geoloqi.com, and specializes in backend systems development.
Souk Co-Working Space I recently spent some time at Souk, a co-working space in Portland. It’s a great space with lots of room and lots of light, which is important when you’re going to spend hours on end somewhere. Over the course of a couple days, it became apparent that there are several tools that can help facilitate the coming and going of people in spaces like these.
CloudKnock is an... 
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... 
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... 
I’ve been logging GPS data for about a year and a half. I use an app on my Windows Mobile phone to log the GPS data, and my phone has a wifi antenna that stays in the “off” position most of the time. I met with @donpdonp the other day and he introduced me to the geomena.org project. I realized it should be possible to log access points along with my existing GPS logging. It was easy to... 
A lot of information about this device online is misleading. When I first heard about this, the site I was reading claimed the transmitter didn’t have a battery, and used the energy from the foot impact to power the burst transmission of the device’s ID. This is what got me excited about the device in the first place: that it was so simple.
Other places I’ve read say there is an... 