Still, Buzz faces a struggle against Facebook, which recently announced, on the occasion of its sixth birthday, that it had 400 million users. Buzz also risks further overwhelming people who are struggling with Web services that generate ever-increasing amounts of information.
But Google executives said that, on the contrary, Buzz would help tackle the problem of information overload, as Google would apply its algorithms to help people find the information most relevant to them.
“The stream of messages has become a torrent,” Bradley Horowitz, vice president for product development at Google, said in an interview. “We think this has become a Google-scale problem.”