Descending dots are amongst others a major trend in recent logo design, Logolounge found out in their 2007 trends:
Examples for logos with descending dots, taken from Logolounge
Vivid logos were found by the logo blog: 
An example for a vivid logo,
taken from Logoblog
A chiseled structure becoming alive is the London 2012 brand that was revealed yesterday. An image movie shows how the logo becomes part of the environment and while the aesthetics of the logo are a matter of taste and I think the idea is pretty unusual and, ehm, edgy, the movie is kind of scary.
London Olypmpics 2012 logo
It might represent the competitive character of the games and the fight to find the best. It might also visualize the mental effects of doping, who knows.