Keeping your Google account secure:
- Official Google Blog: How not to get tricked: Your favorite online safety tips
- Nick Rock: How to control connected apps, sites and services on your Google account
From me on Google+: 3 Steps to more privacy on your Google+ Profile
Mike Blumenthal @ Understanding Google Places & Local Search:
Tips for your New Google+ Cover Photo
Learn how the new Google+ cover image format introduced this week looks on different displays and devices.
Jaana Nyström @ G+ Helper: Custom URLs on Google+ For Everyone
Google+ started offering custom URLs to Google+ Profiles and Pages in the last week of October. Jaana has the latest information on your options and how the vanity URLs are being offered.
Plus Your Business provides a Beginner's Guide to Google+ (click to enlarge):