Google+

About

Google+ is a social network created by Google.

Pages

• /circles: how they work
• /communities: opt-in discussion groups
• /pages: kind of like virtual users managed by one or more real users
• /username: a chronic issue

Links

Official

• home page
  • API guide
  • Developers' Blog
  • Album Archive: this seems to be all images posted before a certain date; not sure what happens to the ones after that, or what the date is
    • 2016-08-05 Introducing the Album Archive

Reference

• Issuepedia
• Wikipedia

databases / tools

• All my +: post database, searchable by date and other things
• CircleCount: has considerable historical data, including follower counts by date
  • example: http://www.circlecount.com/p/+user ID?period=all&type=followers
• Google+ Suomi
  • format: http://www.googleplussuomi.com/timelinetest.php?googleid=user ID
• Google+ Statistics site now seems to be Twitter stats only (2013-12-21)
• GPlusData: search users by employer, interests, other keywords
  • Information seems to be limited to the most popular users only.
• Topsy doesn't seem to do G+ anymore
• PlusClout: calculates each user's clout overall and in several categories
  • format: http://www.plusclout.com/user ID
  • 2013-12-21 Could not connect to server. Has this site been discontinued?
  • 2014-06-20 Home page shows "you do not have permission to access / on this server". so probably.
• unofficial Google+ Recommended Users lists