If you have a pile of documents, PDF files and presentations stored in your Google Docs account that you want to world to find via search engines, here's a workaround.
Learn how to switch from yahoo mail to a gmail address without losing any of your old emails. You can copy all Yahoo mails to Gmail and auto-forward all incoming email.
If you started your online social life on Orkut but later migrated to Facebook, here's a simple import utility that will help you become friends with all your old Orkut buddies who may have shifted to Facebook as well.
If your clients sends an spreadsheet saved in the newer Excel 2007 format, you can upload that right away in Google Docs without conversion.
How to import email address from a personal web mail or corporate email account into LinkedIn address book.