The document discusses digitization partnerships and funding models for the British Library, which contains over 300km of shelving and 150 million items. It describes "boutique digitization" of iconic items through private sponsorship and "mass digitization" through various potential funding sources. These include government funding, public-private partnerships, traditional publisher models, and search engine models. It also addresses issues with contracts that undermine copyright law and the challenge of clearing rights for large digitization projects given the time required.