because in the long run their clones are better than the originals.
Nonsense. Zynga just used it's position and money to better advertise, brand, & connect their games together using facebook as a marketing channel. MS did the same thing with Internet Explorer. IE had the highest market share all these years NOT because it was better than Netscape, Firefox, & Opera. But because MS used their position, money, and installed base. Once at the top, a monopoly is hard to overthrow.
More recently, that is true. But it doesn't explain how their early successes (poker, mafia wars, farmville) succeeded before they had the money and the market share to do those things. Back before they were a monopoly and back before they did cross-promos.
Nonsense. Zynga just used it's position and money to better advertise, brand, & connect their games together using facebook as a marketing channel. MS did the same thing with Internet Explorer. IE had the highest market share all these years NOT because it was better than Netscape, Firefox, & Opera. But because MS used their position, money, and installed base. Once at the top, a monopoly is hard to overthrow.