links for 2007-03-13 March 13, 2007 Rex Hammock Tweet How to make custom Twitter groups | Christopher S Penn Use this Pipes template. (tags: twitter pipes rss) Anxious times for Internet radio | Jason Fry (WSJ.com) Headline: Music industry wants higher royalties, but are labels undermining themselves? My answer: Yes, obviously. (tags: web+radio) Make Your Business Green to Save Green | The Enquirer It’s easy for small businesses to step up to the plate to do their part. (tags: marketing) Tweet