Google+ allowed to post via SMS right from the beginning but this feature was available only in 2 countries i.e United states and India. Now this feature is available in around 43 countries.
Something (it may be an idea, interesting story, review or even a question) comes to our mind and we quickly write and share / ask with our google+ circles or the public.
+1 button is everywhere right from any website, applications or even adsense ad’s. Everytime your like any content, app or ad., you click the +1 button to indicate your interest in it.
Instant upload is a convenient feature in Google+ iphone app which when enabled automatically uploads photos and videos from your phone to your private album on google+.
SMS spoofing and attacks are technically possible (although they are very minimal in practice today) and posting to google+ by sms is going to be of no exception.
Google+ supports posting by sms right from the beginning to support millions of devices that don’t have internet connectivity and only have phone and texting capabilities.
We often get asked about why my google+ profile or account was suspended or terminated? Most of time it was due to spam or profile name violation and didn’t get a chance to read the conduct policy.
You came across that interesting post/content on Google+ but you were on a rush so didn’t get a chance to read it. Later when you returned to main stream that post is gone.