PC World - A U.S. court has rejected an IBM appeal to bar David Johnson, the company’s former chief of mergers and acquisitions, from working at rival Dell over concerns regarding trade secrets.

Reuters - In the days following Michael Jackson’s June 25 death, fans flocked to record stores and digital music outlets to purchase one last memory. And merchants say they expect the Jackson sales surge to last for weeks — maybe even months.

AFP - Fans heading to Los Angeles for Michael Jackson’s memorial extravaganza were urged to stay away on Friday as organizers said tickets for the event would be allocated by an online lottery.

AFP - Swedish mobile phone network supplier Ericsson won contracts to supply broadband Internet to millions of users in China by a deal with three operators there, it said Friday.

PC World - The iPhone scored quite a few headlines related to overheating problems with the 3GS this week. Depending on whom you believe, those issues are either real, exaggerated, the fault of users or some combination of the three. Otherwise, as warm weather takes hold above the equator and Bostonians contemplate whether it’s time to brush up on our ark-building skills (rain, rain go away), we find this week’s IT news offerings cover a broad range.

Reuters - Researchers are using Bluetooth technology to observe the meanderings of tens of thousands of festival-goers at a top European rock festival, hoping their findings will launch a new generation of tracking devices.

NewsFactor - The first jailbreak application for Apple’s new iPhone 3GS has been made available just two weeks after the iPhone debuted. George Hotz, a 19-year-old Google employee originally from New Jersey, created the application.

PC World - While Mozilla lights a fire under competing browsers with support of emerging Web standards with Firefox 3.5, it can still improve its performance, reliability, and usability.

NewsFactor - Despite the delay in China’s requirement to install Green Dam Web-filtering software on all new PCs, the controversy is not dead. PC makers are including the software with new PCs even though the July 1 deadline has been postponed indefinitely.

InfoWorld - You win some; you lose some. This week China decided its Web censorship filtering software was not quite ready for prime time, while U.S. courts sentenced phone hackers and file swappers to some crime time.