Hello Sorry for question but planing to make blog with WP. I surf on some other sites and see buttons for My yahoo, My Msn and other like this. With this buttons can be easy add. What you think who i must add,i mean most used. And Url if its posible Thanks. Great forum!
Some WordPress themes that already have these buttons built into them. There might be some plugins for this, too. Otherwise, you can go to each service and find out how to add their "add this feed" button. Bloglines and Yahoo seem to be the ones that are used the most. aol, google, newsgator, rojo, and pluck seem to be the B list. I wouldn't get carried away with tracking them all down. What I've been doing is watching my stats and not adding a button until it appears that I already have a couple subscribers from the service.