Apple opens SMS door for third parties  A chink in the revenue
armour  Security for virtualized datacentres  A tiny feature in
Apple's new iPhone OS could allow third parties to make money
from iPhone users, without handing over 30 per cent to
Cupertino.   Premium SMS messages aren't such a big deal in
America, but in Europe the humble text message is serious
business. Last year's X-Factor final pulled in £8m from phone
votes - not the series, just the final: one episode of one TV
show generated that much revenue by asking punters to call and
text in votes for specific acts.  Premium-rate texting is what
created the original boom in ringtones, graphics and all sorts
of downloadable content. While the network operators couldn't
(and sometimes still can't) see beyond voice revenue, faster-
moving entrepreneurs realised they could quickly rent a premium-
rate number and start selling bleeps and blips for real money,
and even now the UK industry is dominated by third parties while
the network operators spend their