I'm in favor of 6-month cliffs. Frankly, one-year is company friendly. But since everyone is used to it, no one particular employee can change it. If you have

I'm in favor of 6-month cliffs. Frankly, one-year is company friendly. But since everyone is used to it, no one particular employee can change it. If you have been working for me for 6 months and I haven't fired you, then you must have produced something useful. It doesn't take me 6 months to know who is not performing.