Matthew Wall: 'an analogue mind in a digital world'

Barcodes for mobiles?

The era of 'point and click' internet browsing for mobile phones may finally have arrived. Camera phone manufacturers, such as Nokia, are beginning to pre-load software onto their handsets to give them the ability to scan and read new-style barcodes that translate into text, video and web links. The technology - which enables consumers to snap a barcode on a poster and then view movie trailers on their phones, for example - is already big in Japan and South Korea. For more on these latest developments, see my story 'Mobile phone hyperlinks for the real world' in the Guardian Technology section.   

Cheaper ways to chat

I thought phone tariffs were complicated enough. Now we've got all the different ways you can make calls - over the internet, using plug-in boxes, prefixed numbers - it's enough to turn you into a Trappist monk. But if saving money is paramount, read my Webwise feature in the Sunday Times for all the ways you can cut the cost of calls. Alternatively, write a letter...