Although Siri responds to an impressively wide range of language usage, such that users can address the device in a casual manner with little or no prior instruction, people know that computers are rigid and will naturally constrain their inquiries.
Someone might request, “Set an appointment for tomorrow at 2 o’clock for coffee with Bill,” but will probably not say, “Set an appointment with that guy I ate lunch with a lot last month who has a Yahoo!
In order to chat, both users must have the app installed.
Tango pulls contacts from your existing phone list, and invites users to invite others via email or text.
This is a machine that answers questions—about any of a broad, open range of topics.
Tango is free, and available in the App Store and Android Market and works on phones with a front-facing camera.
Online Dating is a phenomenon, which has finally started to make space in the India arena.
To make a call, simply tap the contact you'd like to reach in the Tango contact list.
The recipient will receive a push notification alerting them to your call.