FriendFeed allows recommending subscriptions using "Recommend Friends" feature

FriendFeed added a new “Recommend Friends” feature, that allows you to recommend subscriptions of friend’s feeds to anyone who’s subscribed to your feed. When you send friend recommendations, your friend’ll get an email with all of your recommendations, including a link to subscribe to all your recommendations with a single click. You’ll also find "Recommend […]

FriendFeed added a new “Recommend Friends” feature, that allows you to recommend subscriptions of friend’s feeds to anyone who’s subscribed to your feed. When you send friend recommendations, your friend’ll get an email with all of your recommendations, including a link to subscribe to all your recommendations with a single click. You’ll also find "Recommend friends" links in the popup bubbles that appear when you hover over someone's name. And you’ll see them on profile pages of your friends who joined the site recently. You can currently only recommend friends to people who are also subscribed back to you