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--- messaging_candidates:telegram [2015/07/16 01:50] – [Telegram use notes] mithat
+++ messaging_candidates:telegram [2015/07/16 02:34] (current) – [Android app] mithat
@@ Line 1: / Line 1: @@
 ====== Telegram use notes ======
-Telegram uses an SMS-enabled phone number as your identifier by default. You have the option of creating a username which others can then use to contact you with, but this is an additional step that most users are not going to take the time to do.
+Telegram uses an SMS-enabled phone number for account creation and as your default user identifier. You have the option of creating a username which others can then use to contact you with (without revealing your phone number), but this is an additional step that most users are not going to take the time to do. It also doesn't seem possible to add usernames to your contact list--which seriously limits the utility of usernames.
+To start a conversation, you select an entry from your contact list or search for a user by their username (if she has chosen to use one). Searching by phone number doesn't seem to work. Usernames are public, and there doesn't appear to be a way to block incoming messages from specific users. There's no reason to think that you can't send messages to random numbers.
 ===== Android app =====
-To start a conversation, a user must be in your contact list. By default, you have no contacts. The app has a feature that lets you invite users to Telegram in the form of a list of contacts from your contact list. When you ask the app to send an invite, it will send them an SMS directing them to get the app.
+The contact list in the Android app is sourced from your phone's contact list. Telegram-enabled contacts appear at the top of the contact list and have a graphic next to the name. You can invite other users to sign up for Telegram, which sends them an SMS from you directing them to get the app. (The version of the app I used failed to send SMS to invitees unless Google Hangouts is the default SMS app.)
-  * The version of the app I fails to send SMS to invitees unless Google Hangouts is your default SMS app.
-  * It's unclear at present if the app shows you whether a user in your contact list is Telegram-enabled or whether you need to discover this by attempting a session.
+There doesn't seem to be a way to add usernames to the contact list.
+===== iOS app =====
+TODO
+===== Desktop app =====
+TODO
+===== Browser-based app =====
+TODO