Resources for Using G+

I saw an explosion of G+ use today. Given there are lots of new users, I am posting a roll-up of past items on G+ usability resources that were useful to me.

Re-shared metric for posts:

Google Maps +snippet feature:

Filter stream chrome plugin for G+:

Add styles to your post:
Use underscores to italicize. _ italics_ → italics
Use asterisks to bold. * bold* → bold
Use hyphens to strikethrough. - strikethrough - → strikethrough

Chrome+1 Extension:

This utility lets you make a "G+" pic in 30 seconds. They have 10 styles to choose from. Super cool :)

G+ Chrome extensions:

Chrome extension that collapses G+ content stream - very useful:
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