PingMe

Getting reminders on the go means dealing with your cell phone's calendar, which is probably about as useful as its cohort, the illusory and possibly dangerous "SIM Applications." Get the heads-up you need exactly when you need it with PingMe

PM's a new free service that'll text and/or email you reminders whenever you command it to, much like your late manservant did, only PM's missives do what Covington never could (digitally beam themselves into your pocket). With its Post-it-esque interface, using PM's as easy as setting and saving however many "pings" your defective memory requires: punch in your message, date/time, targets (phone or email), and whether or not to repeat -- daily, weekly, monthly, yearly, or millennially (handy for long-prophesied apocalypses). When the time comes, you'll get a text/email with your requested info, like rental car confirmation numbers, bar/restaurant addresses, or just friendly reminders for everyday tasks: "I must kill...the Queen"/"I must prevent Reggie Jackson from killing the Queen.

PM'll also let you share your pings with other users, so when you're planning a party, you can delegate responsibilities, or issue the warning "If you don't bring a bottle of wine, you'll be hearing from my SIM Apps.