Los Angeles-based Campaigner, the email marketing services brand owned by J2 Global, said today that it has launched a new, A/B split testing tools. Campaigner said that the new tool helps email marketers deliver and test email marketing campaigns, and helps test different subject lines, offer details, imagery, calls to action, and more to small groups before sending those emails on to a full target list. Pricing on the new product was not disclosed. Campaigner's General Manager is EJ McGowan. j2 Global has a very large portfolio of affiliated Internet services, running a huge number of brands offering up Internet fax, virtual phone, hosted email, online backup, email marketing, and many other services--all offered to a global customer base. The company also owns publisher Ziff Davis and all of its associated brands, websites, and publications.