Friday Roundup: LinkedIn Adds Companies, Coupon Social Networking and a Different Type of Mashup

LinkedIn is adding company profiles to their site. I know, it sounds simple and something that should have been done long ago, but if you are wondering while it took so long, Mashable has the scoop.

In other news, RetailMeNot opened the virtual doors to a new social shopping community. The social network will let users get social with their coupons.

Last, I was cruising the current news when I came across a different type of mashup. Instead of mashing together two web components, this mashup was twisting together multiple songs. Check out Together as One by DJ Earworm. Dibs go out to SFist who brought it to my attention by posting it on their blog.