B-List

1. "Tesco plans anti-tantrum trolley"
   <http://news.bbc.co.uk/2/hi/science/nature/3531432.stm>
"Designers are working on a shopping trolley that plays DVDs, CDs and
 educational games for children"

2. "Supermarket dumps speaking trolleys"
   <http://www.ananova.com/news/story/sm_1103651.html>
"A supermarket in Austria is dumping speaking trolleys and robotic
 cleaners because they've been annoying shoppers"

3. "Trolley offers supermarket workout"
   <http://news.bbc.co.uk/2/hi/health/3665777.stm>
"'It is a standard trolley but with the sort of fitness attachments
 you would find in a gym, enabling you do a workout while you shop'"

4. "Inventor cracks trolley problem"
   <http://www.ananova.com/news/story/sm_1084123.html>
"An inventor claims to have solved the problem of supermarket trolleys
 that refuse to go in a straight line"

5. "Firm claims to banish trolley wobbles"
   <http://news.bbc.co.uk/2/hi/uk_news/england/kent/3426139.stm>
"A company based in Kent has claimed to have solved the age-old
 problem of wobbly supermarket trolleys"

6. "Trolley toll tops $1m"
   <http://www.abc.net.au/news/newsitems/200311/s986934.htm>
"New research reveals shopping trolleys cause about $1 million worth of
 damage to Australia's cars every year, with 'runaway' trolleys the
 worst offenders"

7. "Jet-powered shopping trolley"
   <http://www.ananova.com/news/story/sm_1129321.html>
"A Suffolk man has created the world's fastest shopping trolley - by
 fitting a jet engine"

(a John West post)