TuneCore and pitchforkmedia.com. TuneCore's first customer was Frank Black, lead singer of the Pixies. In 2008, TuneCore was utilized by Nine Inch Nails to deliver the music from their album, "Ghosts I–IV" to the Amazon MP3 store. In December 2006, music instrument and equipment retailer Guitar Center bought a stake in TuneCore, giving the company access to the music retailer's customers. In the United States, TuneCore represents about 10 percent of the 20 million songs on iTunes, and it accounts for almost 4 percent of all digital sales. TuneCore reportedly fired Jeff Price, a co-founder and then-CEO, after the company faced
Tidal prism not as great as in shallower estuaries creating a smaller tidal prism and a longer residence time. The size of an inlet or estuary is determined, according to O’Brien by tidal prism. Tidal prism magnitude can be calculated by multiplying the area of the estuary by the tidal range of that estuary. During spring or fall tides, when sea level is relatively high and floods backbarrier areas that are normally above tidal inundation, the cross sectional area at the entrance of the estuary increases as tidal prism increases. Since tidal prism is largely a function of area of open water