Apple designs, manufactures, and markets smartphones, tablets, personal computers, as well as portable and wearable devices. The company also offers software and related services, accessories, and third-party digital content and applications. As an accessoy to the Macintosh, the Apple Wired Computer Microphone Plain Talk 590-0670 was developed with Plain Talk software that covers two areas of voice technology, speach regognition and speach synthesis. The product had many limitations and short comings, however, Plain-Talk enabled programs posed great promise for future audio recognition technology, and led Apple to a serious commitment of speech technology.