Kevin sends his clients PDFs and he wants to know the best way to send them over the net. Leo says that sending attachments via email is a security issue and he always tells people not to open attachments from people. He recommends putting a PDF up on Google Docs or Google Drive, and then sharing a link to it. That way they can open it up in a secure environment and don't run the risk. Kevin may have to educate his clients, and that's a negative, but it would be safer to do it this way. It'll give them an option to download it as well, and they don't need to install any reader software either.