 Odeo was originally developed in 2005 by founders Noah Glass and Evan Williams, who were the founders of Audioblog and Pyra Labs, respectively, and received funding from Charles River Ventures.Subsequently, Williams bought out Charles River's interest in the company, as well as that of several other investors, and re‑formed the organization under a new company, Obvious Corp, which planned to develop new products, including Twitter.On February 19, 2007, Williams wrote in his blog that Odeo was for sale.