Abstract: An inventive presentation software, preferably for use on a portable computer, is disclosed. In one embodiment, the presentation software automatically detects whether a projector is connected to the portable computer, and automatically outputs to the projector only a predefined portion of the computer screen. In another embodiment, the presentation software permits a user to control various projector functions (e.g., brightness, contrast, etc.) from within the presentation software itself.

Abstract: Directed advertising and educational information systems according to particular embodiments include an academic portion and a token portion. In various embodiments, the academic portion is configured to display educational information to a user. The educational information may include grade information, information about homework assignments, school news, and other educational information. In particular embodiments, the token portion is configured to display offers to the user based at least in part on the educational information. In various embodiments, the offers may include a donation to a particular organization such as an educational institution. In particular embodiments, the system is configured to receive an indication of products be purchased by a user from a particular business and automatically adjust the price of those products to reflect a discount to which the user is entitled based on the user's association with an organization or based on offers available from the system's token portion.

Abstract: An inventive presentation software, preferably for use on a portable computer, is disclosed. In one embodiment, the presentation software automatically detects whether a projector is connected to the portable computer, and automatically outputs to the projector only a predefined portion of the computer screen. In another embodiment, the presentation software permits a user to control various projector functions (e.g., brightness, contrast, etc.) from within the presentation software itself.