The 3GSM mobile phone conference in Barcelona has revealed a glut of new mobile phone technologies. From video on demand to global positioning satellite systems, the highlights are all here.
1. MOBILE WORLD GATHERS
Monday 12 February
Technology Correspondent Rory Cellan-Jones on the battle between mobile firms which want you to lend them an ear.
Some sell music that will only play on their phones, while others send songs to any mobile.
2. MUSIC DOWNLOAD BATTLE
Monday 12 February
UK-based mobile music download store Omnifone puts up a fight against Apple's iPhone.
The start-up has launched an international download service which it says most handsets can access.
3. DOWNLOAD RIGHTS DEMO
Thursday 8 February
As final preparations for 3GSM were underway, Apple's Chief Executive Steve Jobs said he could be prepared to abandon music download controls.
Andrew Webb explains digital rights management.
4. WHERE ARE YOU?
Tuesday 13 February
Phones that track global positioning satellites can tell you exactly which street to turn down.
But marketing firms are getting in on the act, sending you mobile adverts for shops you walk past, as Rory Cellan-Jones has found out.
5. HANDSET TUG OF WAR
Tuesday 13 February
Apple's iPhone may have made a big splash when launched in January, but is it leading the industry, or lagging behind?
BBC Click's Spencer Kelly investigates whether Apple's late entry into the mobile market will work.
6. MULTI-MEDIA MOBILES
Wednesday 14 February
Phones are becoming multi-media entertainment systems, with TV on demand, social networking systems and ways of converting every spoken phrase into blogs.
Rory Cellan-Jones has stepped into the mobile online community.
7. MOBILE YOUTUBE
Wednesday 14 February
Vodafone's deal with YouTube means millions of customers can watch wacky clips from the online video phenomenon.
The mobile provider's chief marketing officer says short and snappy videos bring in viewers.
8. HIDDEN PICTURE CODES
Wednesday 10 January
Phones can now snap a print of a product and decode digital data that the human eye can't see.
The technology can be used for marketing or even smuggling secret data.
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Mobile world gathers in Spain
