Rumour: Looming PS4 cycle was real reason for Harrison’s departure from Sony

[Groucho]

The PS3 started development in late 2001/early 2002. It came out late 2006. 5 years.

We're looking at Q4 2013 for the PS4, then, if development started this year, which seems in line with a 10-year lifespan for the PS3.