- twitter.com head_2_head?lang=deHead-2-Head.com. Seit Februar 2011 bei Twitter.
- twitter.com Head2HeadSportshead2head.com. Joined June 2009.
- twitter.com head2headreview?lang=enhead-2-head.com. Joined February 2011.
- twitter.com Head2HeadReview/status/…Can X-Factor and American Idol co-exist? Will one kill off the other, will each detract from the other?... http://head-2-head.com/article/Head-to-Head-TV-Show...
- twitter.com Head2HeadSports/with_replieshead2head.com. Joined June 2009.
- twitter.com Head2HeadReview/status/…...Bose QC15 - http://head-2-head.com/article/Headphones-Head-to-Head-Review-Beats-By-Dre-Studio-vs-Bose-QC15.html…