You can structure any legal agreement in a way that is most useful to your business model. For example, the Directive on the Authorized Use of MailChimp describes the content and actions prohibited: this agreement will come into force on 11 October 2011 for all current users and after acceptance for all new users. Some legal agreements are built into the app store even for a simple ad, such as the “licensing agreement” in the following example: When it comes to getting a user to accept or accept one of your user contracts, there are two main methods: browsewrap and clickwrap. The “Product Restrictions” section (below) defines the restrictions of software and related services that can be provided by the use of products in relation to safety measures and their use. Please read this section carefully, as you also agree with these restrictions. Using products and/or software and adding unique identifiers (such as username, the role and email address) of the users you have logged into your account (including the above information) you confirm that you have received and provided the information and data about those users that you have collected and provided in this way, with the full and unconditional consent of the owners of this data and with an understanding of the extent and purpose of the use. This allows a potential user to consult and verify all legal agreements covering the use of the mobile application and PayPal accounts: 6.5 Without limitation of the universality of paragraph 2.4 of this service use agreement or any of the previous provisions, users agree not to hold the company liable for damages or other commitments arising from a legal act or non-enforcement by a lawyer. We can amend this agreement at any time by publishing the amended conditions on the site. Unless otherwise stated, all amended conditions automatically take effect 30 days after they are posted on the site. This agreement can only be changed in a script that you and we have signed.