It's just been a challenge. We've had several contracts that have never come to fruition.

It's been a challenge, there's no question about that. We just haven't been able to come up with a formula to get this team to play Mercer Island basketball.

Once they released the challenge, we only had six weeks to build the robot.

It was a crusade, absolutely, ... No one knew whether it would work, but the challenge was too great not to have a go at it.

They challenge their people early and often, and move them around more than in most companies. They don't want anybody to get too comfortable in one job.

VC spending has always been a challenge in Illinois, so this is good news.