This may just be the best reminder service ever. You send them an email--you can CC or BCC as needed--and they send you a reminder to follow up at the time you desire. Want to remember to follow up with that sales contact in three days? Send an email to It just works. Easy-peasy, lemon-squeezy. The follow up you get quotes the text of the original email, and even gives you easy links to postpone the reminder. And my favorite part--you can schedule follow ups for a specific time/date (viz. or even recurring reminders (viz. This is now a big part of my task management. (via swissmiss.)