Chocolate companies are often bringing out new products and changing their exisiting ones, but there are some chocolate changes you never get over, including when Marathon bars were renamed Snickers - 35 years ago. In a poll, 14% found the rebranding in 1990 hard to take and 18% are still reeling from Opal Fruits switching to Starburst in 1998. Overall, 86% of people polled for Virgin Media saw themselves as creatures of habit. Other changes people have struggled to get over include pounds and