1. Sony cut online security staff two weeks before it was hacked
Lawsuits against Japanese electronics giant Sony have revealed that the company laid off a number of employees responsible for network security, two weeks before attacks brought down the PlayStation Network.

2. How to use Twitter in the classroom
The advantage to using a tool like Twitter for education is that it’s instant and it’s to the point. There have been countless articles about whether or not social media makes us lazy, or whether it affects our attention spans. If that really is the case, why not use that to our advantage?

3. Laptops Powered by Typing Could Be on the Way
Australian researchers have figured out a way to harness the energy we use while typing to power a laptop. Using piezoelectricity, this method works in a similar way to cigarette lighters that create a spark by striking a piezoelectric crystal.

4. Stack Exchange Gets In The Conference Game With Stack Overflow DevDays
Q&A network Stack Exchange will be launching Stack Overflow DevDays this fall, a two day series of conferences targeting coders who want to brush up or dive into the latest programming technologies like MongoDB, HTML 5 and Coffeescript, with hour long tutorials put on by speakers culled from the developer community.

5. GitHub Releases Mac Client
Today GitHub announced a client for OSX, GitHub for Mac. The client walks developers through the process of creating a GitHub account and uploading repositories and provides a local admin interface similar to the traditional Web-based one.

BONUS

6. Cloud computing requires new thinking on privacy
The move to the cloud has broad implications on privacy and requires a lot of discussion on the boundaries and expectations for data in a cloud environment. The government’s approach to data privacy, in particular, is of great concern, from the legislation it enacts to the way law enforcement uses it, said Nolan Goldberg, senior counsel for IP and technology at law firm Proskauer.