According to Slate (formerly, Salon's ) tech writer Farhad Manjoo , reviewing the iPhone makeover and cool third-party programs that optomize its potential, the expense and hassle of securing the new device is worthwhile if only for mobile access to Pandora.com . The personally-programmed radio site has captivated me, too -- Pandora's Music Genome Project reliably streams known and unknown music I like -- jazz-beyond-jazz -- on my B **tches Brew "station" in surprising juxtapositions and successions. Virtually free, nearly boundless music exploration at one's fingertips! What Pandora does is allow anyone to plant seeds of favorite artists and songs, then let her take over the tune selection. She presumably employs some 50 professional musicologists analyzing pieces on the basis of 400 musical attributes to arrive at an unfolding playlist which you can tweak with directions at it unfurls. Delightful hours of listening result. I don't have an iPhone (yet), nor an iPod ; I prefer open air sounds of the city to channeling anything directly into my ear canals. However, I discovered Pandora ages ago and set up a station (free via laptop internet connection) that I haven't previously shared. B**tches Brew Radio springs from "seeds" I planted of Miles Davis , Anoushka Shankar , Ali Farka Toure with Toumani Diabate , Betty Carter, Jelly Roll Morton , Otis Redding , Arsenio Rodriguez , Charlie Parker , Wes Montgomery and Jefferson Ai ...