The simple tips for you according to me your profile and your username are the first two things your visitors will see when they go to your Twitter page. If your profile looks boring, people won't bother to read your tweets, not to mention visit the links you post in them.
I haven't got the invitation yet mate
But i guess, people would still go for facebook. But yes, you are right, google + will make a place on this list for sure.
According to me SEO is you want to make money that is why you rank your site.and also SMO is you want to build a community like social network and first build authority.
HI you know one thing Organic search engine optimization is a long-term, ongoing and complex process. Tools can be used to make SEO tasks easier, faster and simpler.