Yes and no.  It is never a bad idea to make online contacts and get your name out there.  But the majority of the people on these sites aren’t interested in your product or service.  They’re not ‘hungry’.  So you might get some additional traffic but it probably won’t help you build your bottom line that much.

It’s also way to easy to get on these sites and think that you’re ‘working’ while actually you’re just wasting time.  It’s very easy to get sidetracked and waste a lot of time without really accomplishing anything to further your online business.

While I’m not saying you shouldn’t try these methods I am saying that the payoff will probably be quite small and you shouldn’t take too much time away from other traffic generating activities.

So by all means Twitter and tweat, but don’t ignore your blog posts, article marketing and PPC.  Keep it in balance and you’ll be fine!