Cyber Monday is an American term that people have tried to import to the UK, but its British definition remains vague. In the US it refers to the Monday following Black Friday, which itself is the day after Thanksgiving and considered to be the start of the pre-Christmas shopping season.
Here at Experian QAS we sometimes get inquiries from people looking to verify just a few addresses. Lucky for you, there are a few free tools out there to help you verify a handful of addresses.
Direct mailers can continue to be aggressive with their mailing plans and strategy through Spring 2011. It is likely, however, that there will be a postage increase in May 2011, when the USPS typically submits their rate requests.