The Digital Age's 7th best perk is dashing off electronic communications instead of suffering through conversations with clients/your mom -- so why chat with food delivery guys? Don't, with CityMint
Exclusive to SF, Mint's a free service that allows you to quickly and efficiently place detailed online orders at virtually all your pickup/delivery options, ensuring that you'll never again be forced to mispronounce "Tso", or "General".
Enter your contact/payment info and any delivery instructions ("doorbell broken, gingerly knock 35 times"), then browse restos from Volare Pizza to Baghdad Nights; once you've picked your items, hone your meal with the interactive menu (spiciness, toppings, etc), place the order, and get your confirmation/time estimate via email.
On-the-go it's just as easy: for web-phones, connect to m.citymint.com and your Mint history'll be there for easy access; if you're SMS only, create a favorite-order "MintCode" in advance and text that to CMINT (so, 1 pork fried rice, 8 eggroll = "illdiealone")
If your favorite spot's not in Mint's database, tell them about it, preferably by email, as their phones are tied up with their teary mothers, distraught that the only person they've seen in years is the pizza guy.