61.   Users enter commands into the Euroset, which sends radio signals to the black box, which directs the signals to various appliances.

62.   Users enter sweepstakes to win prizes, get discounts or, increasingly, cash in exchange for telling a marketer who they are, i.e., registering.

63.   Users enter what they want to buy and the price they want to pay, and DealTime will e-mail them as soon as it finds someone offering that price.

64.   Users enter skin type, based on how easily they tan or burn, and the sun protection factor, or SPF, of the lotion they are using.

65.   Users enter the start and end dates of the activity, setting up the notice to send on a regular basis.

66.   Users enter their choices of channels, subject matter and viewing times, and instantly receive a lineup for the following week.

67.   Users enter their location and the time and date, then select the constellation they want to identify.

68.   Users can enter information only by pressing hard with the bundled pencil or with any other stylus-shaped writing instrument.

69.   Users enter numbers on a touch-tone telephone keypad to select the information they want to hear.

70.   When a user enters a search, the bot instantly fires off a query to the Web site of each retailer that would carry such an item.