Not sure if this is a documented feature but you can search within Google+ Communities by adding s/yoursearchterm to the community home address (operators like AND/OR also appear to work).
Google recently announced the release of add-ons for Google Docs and new Sheets. This post provides some notes for Google Apps admins and users about their functionality and configuration
Having recently be recognised as a Google Developers Experts for Google Apps Script I highlight my hacker roots
Some reflections on becoming Chief Innovation, Community and Technology Officer at the Association for Learning Technology (ALT)
How you can use Twitter SMS notifications combined with a SMS talk aloud app to listen to the Twitter backchannel during presentations
I’ve mentioned the appear.in service a couple of times. This allows you to convene small meetings (up to 8 people) with video, voice and chat without the need for logins or additional browser plugins on both desktop and mobile. My thoughts on using it with virtual office hours.