Some experts suggest taking pictures of moles and dating the images to compare over time.

VOA: special.2010.07.06

"But if you look at the price and if you look at the benefit and you compare that, it's worth it.

VOA: standard.2010.03.23

The website followed their progress, provided tips and encouragement, and offered bulletin boards where users could compare notes and motivate each other.

VOA: standard.2010.07.30

At a recent driving event near Washington,D.C., teenage drivers tested their skills on a closely-monitored obstacle course to compare how they drove with - and without - distraction.

VOA: standard.2010.06.24