English to Dutch Marketing Marketing / Market Research

XXX ensures your telephone research reaches your entire target universe—even those who have disconnected from landline. We offer mobile Random Digit Dialing (RDD) frames—the most methodologically sound sample for survey research-- in 12 countries. So you can:

• Augment landline frames, which are increasingly less representative of the general population
• Improve representation of younger demographics
• Incorporate more engaging survey materials, including pictures, video and the Web

Het gaat me om de betekenis van het woord augment (vergroten, vermeerderen). Ik begrijp de zin niet.