Should restaurants add trends to their menus?

Most of the times, you go to a restaurant and not sure what to order. Some times we ask the waiter to help us choose some thing or go directly with their suggestions. Another thing most people do is to look around see what's interesting on someone else's table or see whats some other waiter is carrying around to serve and order those. Now come to tech world , where we have the trends about what people are talking and discussing currently across social networks. Now mix these two, how about hotels showing trends about what's being ordered currently, what's popular over the Week or some thing like that. I think this will do a lot of difference to the guests and help them discover new dishes. Well how should hotels do this? The most expensive way will be to have interactive iPad like tablet menus with trends. Easier way is to have a display board with top 10 items ordered today. Of course there is a scope for hotels to tweak these .But trends are a great way in offline world to discover new things