The dot faded to transparent over time, and would redden again only when the other half of the couple clicked on his or her own dot displayed on a computer screen hundreds of miles away.

FORBES: Love Tech Goes Long Distance

Youzhny shocked the number five seed by breaking his serve in the first game of the match but Soderling clicked into gear and was not overly troubled again.

BBC: Robin Soderling through to face Tomas Berdych in Miami

He proved that again at Darlington, where Kenseth patiently sat behind Busch much of the race before the right adjustments to the car clicked.

NPR: Kenseth Passes Busch For 1st Darlington Victory