Many features of Facebook is similar to the features of Google+ but there is some awesome feature which is very good in comparison with Facebook. Notification system is a good feature in Facebook but it is advanced one in Google+. In Google Plus there is a extended notification which show what is the change like comment, tagging, adding to circle in a drop box but Facebook only notifying what where is the change happen with its link. +1 facility is similar to the Like button in Facebook but there is more advantages for +1 because it gives addition of promotion in Google, because it is a search engine where +1 for anything s like one type of promotion, so there are many chance to attract bloggers, website makers towards it for promotion of site on Google Search Engine. Here is many type of chatting facility like text, audio, video, group chat but Facebook only avail text and video chat.
There are many features which are not in the Google Plus, which is missing. We can’t message to anyone in Google+ which is in Facebook, also there are no third party application, Creating Organizational page facility in Google+.
Orkut is Fail to getting popularity in comparison to the Facebook because their are not so much facility for user. In Orkut there is a community page system like Facebook but in Google+ we can get any thing like this. Google Plus is more advanced one in comparison to orkut.
Here is no comparison between twitter and Google Plus because it is not a Fully Social networking site. It is look like a micro blogging site, but we know twitter as a social networking site. So here I compared it with Google+. The following facility of twitter is one type of circle in Google Plus where we can follow anybody like twitter. But after all twitter is twitter, there is no comparison.