But the group, which sends its monthly newsletter to 100,000 households, is most interested in engaging Jews with the Gospel.
The catalogue is distributed eight times a year, and its circle is growing; last year, the Christmas edition was sent to four million households.
The index, calculated on a 1985 base of 100, is compiled from a monthly survey sent to 5,000 households.
Nielsen sent surveys on computer use to 20,000 Homescan households; 81 percent responded.
In one mailing, he sent absentee ballots to 16,000 Republican households, a move that may have won him the election.
It was sent to 1.2 million households encompassing nearly every Council district in the city.
In addition, it is sending brochures to 25 million households.
The goal is to keep the long form, which is sent to 17 million households, from being too burdensome or instrusive.
When a mailing is sent to 50 million households, a 10 percent pull translates into $50 million or more in revenue.
Court TV is now sent to 34 million households.