Whew, what a week. Among many important news items, Google has just unveiled voice support for Gmail, allowing you to make free calls to landlines and cell phones. Is Google going after Skype’s jugular?

What a week its been for tech news. If you’re looking to kill a few minutes by reading up on what’s new and interesting, check out some of these stories found around the web.

The Internet is running out of unique IP addresses but the average consumer need not worry.

Browser extensions take programs that we like and add features so they become programs that we love. Safari now has an extensions gallery to make it easier to love the browser of choice for many Mac users.

We’ve all heard of “carpal tunnel syndrome,” but there are many other problems associated with our increased reliance on technology these days. In this Canada AM segment, I talk about 5 other common problems, ranging from “BlackBerry thumb” to infertility. I’ve also posted a point-form list here, too.

Steam, the game repository, is now available for the Mac, making dozens of award-winning games finally available for the Mac.