O2 UK Pay & Go Data Plan が変わった

2011/3/21 からデータプランが変わっていたようですが、気が付きませんでした。
Opt-in すると自動継続になるようなので、イギリスを出る時には、Opt Out するのを忘れない様にしないと。
Data Plan を購入しない場合には、一日　50MB が上限で、£1がチャージされます。

The Basics Web Bolt On costs £3 a month and you can use up to 100MB of UK data each month.
The All Rounder Web Bolt On costs £6 a month and you can use up to 500MB of UK data each month, send 20 picture messages. Plus you have unlimited wi-fi access.
The Works Web Bolt On costs £10 a month and you can use up to 1GB of UK data each month, send 50 picture messages. Plus you have unlimited wi-fi access.
Where your Web Bolt On includes unlimited wi-fi this can be used on The Cloud's UK Wireless LAN network and the BT Openzone UK Wireless LAN network
To OPT IN to The Basics Web Bolt On send a free text message containing the keyword "BASIC" to 21300 or call free on 2425 from your O2 mobile. To OPT IN to The All Rounder Web Bolt On send a free text message containing the keyword "ROUND" to 21300 or call free on 2425 from your O2 mobile. To OPT IN to The Works Web Bolt On send a free text message containing the keyword "WORK" to 21300 or call free on 2425 from your O2 mobile.
One month minimum term applies.
To OPT OUT of The Basics Web Bolt On send a free text message containing the keyword "BASICOFF" to 21300 at least 48 hours before the next payment is due or alternatively call free on 2425 from your O2 mobile. To OPT OUT of The All Rounder Web Bolt On send a free text message containing the keyword "ROUNDOFF" to 21300 at least 48 hours before the next payment is due or alternatively call free on 2425 from your O2 mobile. To OPT OUT of The Works Web Bolt On send a free text message containing the keyword "WORKOFF" to 21300 at least 48 hours before the next payment is due or alternatively call free on 2425 from your O2 mobile.
You may OPT IN or OPT OUT of the service at anytime. However the minimum charge is the monthly fee dependant upon which Web Bolt On you have selected. No refunds will be given.