Chicagoâ€”Digital revenue for b-to-b media companies is expected to grow 18% to 22% in 2008, according to Gordon T. Hughes II, president-CEO of American Business Media. Hughes presented the revenue projections Tuesday morning at ABMâ€™s Top Management Meeting. Magazines revenue, he said, is expected to drop 2% to 7%, while face-to-face revenue is expected to grow 7% to 10%. Revenue from custom media, which publishers often turn to in greater numbers when the economy becomes sluggish, is expected to grow 18% to 21%. â€śWeâ€™re looking at a good year, albeit a challenging one,â€ť Hughes said. ABM welcomed 11 new members this year. The association now has a total of 331 companies.