2.1 If Confidential Information is disclosed in writing (whether by way of electronic means or otherwise), the Discloser must clearly mark that Confidential Information as “confidential” at the time of disclosure. If Confidential Information is disclosed orally or by visual presentation, the Discloser must identify such Confidential Information as confidential at the time of disclosure, and use its reasonable commercial efforts to provide the Recipient with a written summary of the Confidential Information within twenty (30) days of disclosure.