I signed my kids up for a race in Disney World. This "acitve.com" kept popping up as I entered my information. I was suspicious, but did not click anything authorizing a membership.
Sure enough, I get an email 10 days later saying my Acitve.com "membership" has been activated. I immediately checked my balance and $59.95 had been withdrawn. I am still trying to fight it. The "customer service" keeps you on hold for a looooonnnngggg time so have a speaker phone handy and dig in.
These people are THIEVES!