Type onebox.com in Quantcast and you see….

Notice evoice.com in one of the similar audience listings so you search in Quantcast on them.

Plenty of references to free voicemail, internet answering machines, etc.  Also notice sweepstakes sites in the brand affinities.  The net conclusion you can draw which is pretty obvious is this is a very price sensitive market segment looking for a variety of free services included in their basic service fee.  They are buying virtual pbx services to reduce their monthly phone costs and get more for less.  Since you are a new player in this market you better be prepared for a high degree of price sensitivity and will need to attract customers with a "bigger bang for your buck" approach.  The seat of the pants approach I describe above is not intended to compete with or replace expensive / advanced market research.  However, for those of us who lack the funds for said research I think it is very cool that in a matter of minutes you can find very useful information about your target market.  Enterprise Sales Professionals in established companies can also benefit from researching competitive URLs and learning about their visitor’s interests and affinities.  In summary as you can tell I love Quantcast as a source of information to help shape your web marketing approach.  Happy surfing.

P.S. Here is information I pasted from www.quantcast.com to help you learn more about how it works.

From Quantcast

Quantcast’s Quantified Publisher profiles are based on a uniquely holistic media measurement system that combines the best characteristics of other web audience measurement approaches.

We Start With Panel-Based Data

Most rating firms estimate web audiences the same way radio audiences were estimated 70 years ago: by surveying a sample of people and extrapolating to the larger audience.

Our estimates start the same way, with a panel of several million people who anonymously share their web usage history with us. Using statistical techniques we project which sites the rest of the U.S. web audience is visiting and publish basic profiles reflecting those estimates.

Unfortunately, panels aren’t perfect. Panels have biases, and with millions of destinations on the Web, even a panel as large as ours can’t do justice to niche audiences. So our analysis doesn’t end there.

Directly Measured Data

With publishers’ cooperation, web visits can be counted directly and accurately. Our Quantified Publisher program enables publishers to tag their sites and services for measurement free of charge. We can then gauge the actual reach, frequency and popularity of their websites, videos, widgets, games and more.

Direct measurement isn’t perfect either. Web logs ultimately measure page views, not people. Because of technical challenges like cookie deletion, it’s hard to know how many actual people are visiting, much less to get any insight about “who” they are. So we’re still not done.

A Unique, Holistic Model

We combine the directly measured data with the panel-based information and use our Mass Inference algorithm to produce refined profiles that accurately represent web audiences.

Advertisers – Find an Audience!

View detailed audience reports for millions of websites and services to find the audiences you seek and build your brand online with confidence.

Publishers – Make Your Audience Count!

Demonstrate the unique value of your audiences and attract advertisers by tagging your websites, videos, widgets and games for direct measurement.

From Quantcast