http://www.know-your-keyboard-piano.com/digital-pianos.html

Digital Pianos offer some practical advantages over Acoustic Pianos, considering acoustic ones can be quite expensive and cumbersome to maintain as well. This is not to suggest that digital pianos sound better, this is more to highlight the advantages and cost effectiveness to a beginner piano player. See the video for the advantages of owning a Digital Piano over an Acoustic piano.