Simplify the following text for a Grade 11 native English-speaking person.
Original: Biz Stone explains that all messages are instantly indexed and that `` with this newly launched feature , Twitter has become something unexpectedly important - a discovery engine for finding out what is happening right now . ''
Simplified: Biz Stone explained that all messages are instantly indexed and explained the results of the change . The Trending Topics has made Twitter something `` unexpectedly important â '' a discovery engine for finding out what is happening right now . ''