Bell Atlantic Corp says it expects to generate $1,000m in operating revenues from interactive communications by 1998: it expects about half the revenues to be generated in Bell Atlantic’s operating region and the other half in markets served by Tele-Communications Inc; the combined company plans to offer interactive set tops to customers in 1994 for about $500 a year; in 1995 it plans to be able to offer interactive capability with full cable service for some $350 a year.