• Check into this spreadsheet from +Kimberly Johnson if you want to participate in a Google+ usability study! Although right now it's only open to people in the Bay Area, you can still sign up fo the phone study. Onsite participants get an American Express gift card.
• +Punit Soni announced an update to the iOS Google+ app. Watch the video for details!

• +Vincent Mo just announced +mentions in lightbox.
• Found out via +Tom Anderson that Amazon launched a social network for Kindle owners.

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