Photoshop's naming scheme was initially based on version numbers. Its feature set can be expanded by plug-ins programs developed and distributed independently of Photoshop that run inside it and offer new or enhanced features. In addition to raster graphics, this software has limited abilities to edit or render text and vector graphics (especially through clipping path for the latter), as well as 3D graphics and video. Photoshop uses its own PSD and PSB file formats to support these features. Photoshop can edit and compose raster images in multiple layers and supports masks, alpha compositing, and several color models including RGB, CMYK, CIELAB, spot color, and duotone. 'to photoshop an image', 'photoshopping', and 'photoshop contest') although Adobe discourages such use. The software's name has thus become a generic trademark, leading to its usage as a verb (e.g. Since then, this software has become the industry standard not only in raster graphics editing, but in digital art as a whole. It was originally created in 1988 by Thomas and John Knoll. Adobe Photoshop is a raster graphics editor developed and published by Adobe Inc.

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