The Online Publishers chart in BtoB's "Interactive Marketing Guide 2006" (April 24, page 33) contained inaccuracies for some properties. CNET Networks' URL is www.cnetnetworks.com. Regarding unique monthly visitors, the correct numbers are: CNET Networks (28 million); EE Times (407,619, U.S. only); Federal Computer Week (200,000); Industry Week (103,300); InformationWeek (769,032, U.S. only); TechTarget sites (4 million) TechWeb sites (965,427, U.S. only); Windows IT Pro (2.8 million). The Interactive Agency chart (page 36) was missing the following agencies: 360i, Atmosphere BBDO, ClearGauge, Idea Integration, nurun/antfarm. Also in the Interactive Agency chart, the listing for Media Logic was incorrect. The correct information is: Media Logic, Albany, N.Y., www.mlinc.com, (518) 456-3015. Both charts have been updated in the PDF version of the "Interactive Marketing Guide," which can be downloaded for free at btobonline.com. In the E-mail Vendors chart (page 12), Arial Software's information was incorrect. The correct information is: Arial Software, Cody, Wyo., www.arialsoftware.com, (800) 453-9387. In the same chart, the correct location for EmailLabs is Menlo Park, Calif.