What are the key areas in which contract law has evolved from traditional concepts to addressing equitable solutions or complex modern day transactions and structures?

What are the key areas in which contract law has evolved from traditional concepts to addressing equitable solutions or complex modern day transactions and structures? How are commercial enterprises affected by these changes? Are there particular applications in your line of work or your organization? (The organization could be paid work or a volunteer organization that you want to work in the future.)

include
1. Identification and summary of the areas of contract law that have evolved to address complex contemporary transactions and structures
2. Analysis of the impact of the evolution of contract law on commercial enterprise
3. Assessment of the relevance of the impact to your work or organization
4.Use of scholarly and credible sources of evidence/research to support assertions

Similarity within 10%-20%