Picking odd shapes was the last hard problem. It is getting easier, one grip at a time.

The next few months will show whether this holds up outside of test conditions.

The change did not happen overnight. It built up over several quarters, one small step at a time.

What to watch

• How fast others follow.
• What it does to prices.
• Who gains and who loses ground.

Not everyone agrees. Some point out that early results often look better than what comes later.