(j) use any robot, spider, scraper, or other automated means to access the Services for any purpose without our express, written permission. provided, however, we grant the operators of public search engines permission to use spiders to copy materials from the public portions of the Services for the sole purpose of, and solely to the extent necessary for, creating publicly-available searchable indices of the materials, but not caches or archives of such materials. and (k) take any action that imposes or may impose (in our sole discretion) an unreasonable or disproportionately large load on our technical infrastructure.</li> </ol> 2. Our Proprietary Rights Subject to the terms and conditions of this Agreement, you are hereby granted a non-exclusive, limited, non-transferable, freely revocable license to use the Services as permitted by the features of the Services.