Skype's promotional offer to battle off the likes of Microsoft, Google, and Yahoo brings free calling to Canada and the U.S. Of course, that's great for me, because I usually only Skype to Canada as it is. Savings for me won't be huge, since I rarely tip the $1 per phone call mark each week... but maybe I'll be more compelled to randomly call friends up. You never know...

Read more about it in these articles:
new.zdnet.com
businessweek.com