Google launches a new 3D virtual world LIVELY

Yesterday Google presented their new project - the 3D virtual world 'Lively'
It is still in Beta version but can be seen here: http://www.lively.com/
The most important is it is safe for teenagers.
There are many rooms where can meet people.
Lively requires Windows XP or Vista and Internet Explorer od Firefox browser.
Additional add-ons are downloaded from the site.

Here is what Merriam-Webster http://www.merriam-webster.com/dictionary/lively
dictionary says about word 'Lively':

"Pronunciation: \Llīv-lē\
Function: adjective
Inflected Form(s): live·li·er; live·li·est
Etymology: Middle English, from Old English līflīc, from līf life
Date: before 12th century

1obsolete : living2: briskly alert and energetic : vigorous, animated 3: active, intense 4: brilliant, fresh 5: imparting spirit or vivacity : stimulating 6: quick to rebound : resilient7: responding readily to the helm 8: full of life, movement, or incident

synonyms lively, animated, vivacious, sprightly, gay "