So maybe I am behind the wave ? But how many find twitter useful for a serious escort booking. I get that for big city's it would be very useful or for a cross-country trip. What about the regular guy looking for local action in most states ?  
Any tricks and tips for serious searches ? Thanks in advance.  

You’ll find Raleigh based providers and providers who tour through Raleigh. Looks like Giada Marie is Raleigh based, and Alexa Stephens recently toured through.

 You’ll find that providers on Twitter are constantly retweeting other providers mutually. That would expose you to more providers you might be interested in.

I use it strictly for getting a feel for the provider’s personality and attitude.  I only book sessions with gals that are on P411 and have reviews here at TER, but I use Twitter as another screening tool. There have been many providers that I would have seen but didn’t because they threw off too many bad vibes on Twitter.  

You pretty much have to know who you are looking for on twitter.  And then all you'll likely get from twitter is a few extra pictures and their opinions on politics ... or in many cases their disdain for their clients.

Like Lester said, it's hard to search unless you know the specific provider’s name.

Many providers use #'s on their tweets which could contain their schedules. Some examples are:

#date(insert city/state name)
#p411
#fmty
#(insert city/state name)

Also like Lester said, providers like to display their disdain for clients. This also makes it easier for a client to scratch those bitter providers off of any "must see" lists.

Bingo.  I use Twitter strictly as a tool for excluding providers from my list.  The thing about social media is that the more somebody posts the more their true personality will eventually surface.  I’ve never posted on Twitter but I sure as hell use it after I verify that they’re on P411 and have read their TER reviews.  It’s gotten to the point where I’m actually relieved when I see a provider with a nasty Twitter board presence because I know it probably saved me from a bad session.  There are so many good providers out there who go about their business in a truly professional manner for me to waste my time and money on the amateurish ones.  Twitter has been very useful to me for separating the wheat from the chaff.