links for 2008-04-07

• Filter search and feeds by your interests
  You subscribe to some blogs by RSS, and some of those posts aren’t of your interest. Still they end up in your reader. Wouldn’t it be cool if your APML file filtered the content so you only got the posts you like?
  (tags: apml language tools productivity feeds attention xml rss tech code news filter)
• The Off-Line Impact of Online Ads
  Internet advertising stimulates off-line sales, too—in most cases, our firm finds that online campaigns increase sales more at advertisers’ retail cash registers than on their websites. Data like that should embolden executives to shift ever more doll
  (tags: internet advertising marketing money research comscore fredwilson hbr harvard business)