What’s so good on Twitter that your friends don’t tweet or retweet? Their favorites.
Use favebytes to generate a file containing your friends’ favorite tweets. Then, import that file into your RSS feed reader and you’ll be automatically updated when your friends favorite new tweets.
http://favebytes.com/订阅好友收藏的tweets,只需要输入你的用户名,便可以得到一个opml,将此导入你的RSS阅读器即可。