Dave Gwozdz, CEO of Mojiva, wrote an article in The Guardian pitting Facebook against Twitter in the ad tech arena. He wrote, "Whilst Facebook may be the largest social network in the
world, the recent acquisition of Twitter with MoPub has put Twitter safely at the forefront of the ad-technology game."
He also wrote that Facebook has "some serious catching up to do to achieve the sort of real-time mobile engagement that Twitter is enjoying."
Read the full article here.