Abstract: An approach for modifying a web page, which uses a form or forms to collect private data from the user, to insert into the web page source code instructions to invoke multiplicity of web services for privacy purposes prior to the delivery of the page to the client browser and for delivery of privacy related information to the server's of the organization that is using the form to collect private data from the user. As one example, instructions are inserted into the web page source code to invoke a web service to show notice to the user that private data will be collected and seek consent from the user on the collection and use of private data. As another example, instructions are inserted into the web page source code to invoke a web service to authenticate the user. As another example, instructions are inserted into the web page source code to invoke a web service to ensure that communication with the client requesting the page is over a secure communication channel.

Abstract: Two pieces of communicating computing equipment (parties), including computers, routers, and mobile computing devices, having a communication function between the two parties. The sender/receiver store the most recent messages sent/received. The sender modifies a new message, to be sent, by comparing it with the previously sent message to the receiver and by removing from the new message those parts that were already sent in the previous message and also including in the modified message differential information describing the differences between the new message and the previous message. When the receiver receives the modified message from the sender, the receiver compares the received modified message to the previously received message, and using this comparison and the differential information included in the received modified message, the receiver derives the new message used by the sender to create the modified message actually sent.