Young adult subjects were recruited from advertisements placed around the hospital and also by work of mouth.

But so far most casual games are free, with what little revenue the sites generate coming from advertisements.

However, many family size installations are reported to use much more electricity than their owners had expected from advertisements.

One thing the Web has to distinguish it from more traditional personal advertisements is the size of the dating pool.

The money comes from ticket revenue, government subsidies and advertisements.

These sites usually make money from advertisements instead of fees.

It pulls in more than $1 million a minute from advertisements during the show.

Initially this was just by mail order from advertisements placed in computer magazines.

Such leads are usually obtained through responses from advertisements placed in the press.

However, revenue from non-patent-medicine advertisements was too low to cover costs.