Used to accompany Keynote speech to IIR Mobile Instant Messaging Conference, London, October 2006.

1. Mobile Instant Messaging Jag Minhas, London, October 2006

3. Conversations are valued Source: O2 Interim half-year results June 2006 – www.o2.com 70% 26% 4% Voice Text Other % of ARPU (O2 UK)

4. Text trends UK Text volumes Source: MDA (www.text.it)

7. Increasing complexity in the user experience Multiple technology choices Modal messaging behaviours Limited support for conversations Presence as prerequisite for sending messages Typically fragmented communities and separate contact lists

8. Increasing complexity in the network To external MMSCs To Internet To external IM providers IP & SS7 Mobile Network Text Voicemail Email MMS IM WAP Gateway MSC MMSC MMSB MMS Platforms SMSC SMSB MAR SMS Platforms VSDs Voicemail IM Presence IM Platforms MTA Email Email Platforms PTx Server PTx Server PTx Platforms

10. Marketing modal messaging behaviours “ Share the moment” “ Picture Messaging” “ Snap into action and have some fun”

13. Internet approach Concept Metaphor Reach Richness Sometimes connected Always on Era Feature Enhanced with presence - Spontaneous conversations - Personalised expressions Enriched with multimedia - More engaging conversations - Experience sharing Multimedia support - Richer messages - Container for conveyance Social circle reach - Highly personal Universal reach - Service provider interworking Highly conversational - Threaded user interface - Immediate delivery Highly referential - Inbox accessible anywhere - Large & persistent storage Transient dialogues Inbox in network Internet IM Internet email

14. Internet IM compared with mobile “text” Always on. At your desk. Mostly on. Always with you. Enhanced with presence - Spontaneous conversations - Personalised expressions Enriched with multimedia - More engaging conversations - Experience sharing Social circle reach - Highly personal Highly conversational - Threaded user interface - Immediate delivery Transient dialogues Internet IM Integrated with contacts list Universal reach - Service provider interworking Highly conversational - Short messages - immediate & offline delivery Inbox on the phone - Highly personal & private Mobile Text

15. Issues to reconcile in “crossing over” IM to mobile Always on. At your desk. Mostly on. Always with you. Everyone can converse with Text Contacts list contains more than just friends Only subscribed and present friends can converse Only friends with IM can converse Enhanced with presence - Spontaneous conversations - Personalised expressions Enriched with multimedia - More engaging conversations - Experience sharing Social circle reach - Highly personal Highly conversational - Threaded user interface - Immediate delivery Transient dialogues Internet IM Integrated with contacts list Universal reach - Service provider interworking Highly conversational - Short messages - immediate & offline delivery Inbox on the phone - Highly personal & private Mobile Text

16. Mobile IM Implementation strategy for maximum value Only friends with IM can converse Everyone can converse with Text + = Ensure IM interworks fully and bothways with Text Maximum connectedness out of the box. Just like Text. Contacts list contains more than just friends Only subscribed and present friends can converse + = Permit conversations without presence Add presence as a stimulator of conversations, not a prerequisite. Just like Text, only smarter.

18. Technical illustration SMSC MMSC IP Messaging Platform Anton Benoit Me : Are you there yet? Benoit : Not yet, Im running a few mins late. Where r u? Me : I’m l8 too. I will prob b another half hour! Benoit : OK – I’ll do some shopping Benoit : Scary! Me : See you shortly Benoit : OK Conversation with Benoit Bothway Interworking IP Messaging Phone SMS/MMS Phone Me : Here is my view! Text Inbox Are you there yet? I’m l8 too. I will prob b another half hour! See you shortly MMS Inbox Here is my view!

21. Migration towards simplified user modes on device Mobile Messaging Be notified of new messages when they arrive Add/view attachments in messages Send messages as if from existing remote mailbox View contents of an existing remote inbox Email Discover - Browse Internet - Browse channels/feeds Create - Take pictures/video - Update blog Consume - Listen to music - Watch TV/video Content Text with added files - File sharing use case Text with added video - Push to Video use case - IP Video use case Text with added voice - Push to Talk use case - Audio sharing use case (VoIP) Text with added pictures - MMS use case Text Only - SMS use case (classic model) - IM use case (dialogues) Mobile Messaging Video Call - Circuit switched - Packet switched Voice Call - Circuit switched - Packet switched Calls

23. Simplified platform migration due to interworking IP Messaging Platform Interworking IP messaging handsets increasing “ legacy” handsets decreasing … the winding down of the “legacy” platforms becomes possible. SMSC MMSC

25. Mine My not-yet-teenage son’s Growing importance of expression