Opera just released the 10.5 beta version of its web browser for Mac computers — the fifth most popular browser on the market. We previously covered the Pre-Alpha version of 10.5 , but this beta release is likely far more stable.

This post originally appeared on the American Express OPEN Forum , where Mashable regularly contributes articles about leveraging social media and technology in small business. So your business is on Facebook, and brand engagement is up thanks to some savvy social media strategy

According to a survey conducted by Liberty Mutual’s Responsibility Project, 56% of Americans think it’s “irresponsible” to friend your boss on Facebook, while 62% of bosses agree it’s wrong to friend an employee. Reuters reports on other interesting results from the survey, including that 73% think it’s not OK to check Facebook at work, but 66% say checking personal e-mail is fine. Tweeting while at work is considered irresponsible for 72% of respondents, and watching online videos is wrong for 79%

Both Final Fantasy I and Final Fantasy II [iTunes links] — two games from one of the most revered console game franchises of all time — are available for purchase in the Apple App Store for the iPhone and iPod touch right now. We knew they were coming a while ago, but we didn’t know the pricing