Safari Books Online has announced that they have acquired Threepress.
They would continue to operate Threepress’ service Ibis Reader for the time being.
Safari Books Online spoke about the acquisition:
Today I’m thrilled to welcome the Threepress team to Safari Books Online. They’re joining us as part of an acquisition that brings a rich set of web-based eBook reading technology to Safari, along with a talented engineering team that includes some of the world’s foremost engineers working with EPUB, eBooks, and browser-based reading.
For now we expect to continue operating Ibis Reader as a convenient way to upload your personal EPUB eBooks and read them from a variety of web browsers.