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 stream generator Stingray uses hydrofoils to create oscillation, which allows it to create hydraulic power. This hydraulic power is then used to power a hydraulic motor, which then turns a generator. Pulse Tidal operate an oscillating hydrofoil device in the Humber Estuary. Having secured funding from the EU, they are developing a commercial scale device to be commissioned 2012. The bioSTREAM tidal power conversion system, uses the biomimicry of swimming species, such as shark, tuna, and mackerel using their highly efficient Thunniform mode propulsion. It is produced by Australian company BioPower Systems. A 2 kW prototype relying on the use of two