We may communicate with you by e-mail or by posting notices on our site. You agree that all notices, disclosures, agreements and other communications that we provide to you electronically satisfy any legal requirement that such communications be in writing.</p> 4. Policy Restrictions <p>You will not impair or cause damage to our site, or any connected network, or otherwise interfere with any person or entity's use or enjoyment of our site in any way, including without limitation, using or launching any automated system that accesses our site in a manner that sends more request messages to our servers in a given period of time than a human can reasonably produce in the same period by using a conventional online web browser. Notwithstanding the foregoing, operators of public search engines may use spiders for the sole purpose of creating publicly available searchable indices of the materials and our site, but not for caching or archiving such materials.</p> <p>You agree that you will not take any action that imposes an unreasonable or disproportionately large load on the infrastructure of our sites.</p>