benchmark.rb

require 'benchmark'
require 'exoteric'

counter = Exoteric.new(:url => 'http://github.com/')

Benchmark.bm do |x|
  x.report { 10.times { counter.count(:twitter, :facebook, :plusone) } }
end

method.rb

    def count(*counters)
      if counters.size == 0 || counters.first == :all
        counters = self.class.counters
      end

      res = {}
      threads = []
      counters.each do |name|
        threads << Thread.new do          
          res[name] = send("#{name}_count")
        end
      end
      threads.map(&:join)
      res
    end