Google is trying once again to challenge Facebook's domination of the social networking business. Its main social networking site "Orkut" is very popular in Brazil, but in the rest of the world, Google trails Facebook.
But the company has a new attempt to catch up.
The new social network is called Google Plus, and you're not allowed to join it. At least, not yet.
"It's small but growing," says Bradley Horowitz, who oversees Google's communications products and social applications.
Facebook was created for college students to get in touch with each other. It has helped people stay in touch online so well, that it might be hurting attendance at real-world class reunions.
This means the excruciatingly awkward reunion scenes in movies — where the dorks and princesses get together to prove that either they've become cool or are still cool — don't have to happen in real life.
Reporters in Cairo say the number of protesters in Tahrir Square today is noticeably larger than in the past few days and that the anti-government turnout is among the biggest in the 15 days since the demonstrations began.