As far as pubs and restaurants are concerned there are many other web sites with reader reviews which are buried amongst numerous advertisements. The latter desperately hoping for a return on their site investment. An example is TripAdvisor which now has a restaurant section for major cities.
Social Media is time consuming with hardly any lucrative results apart from endeavouring to rearrange appointments at short notice.
The internet is still in its infancy and has spawned forums, chat sites, etc making it easy for all walks of life to answer queries with a smiling cat or plate of food.
The current inconsequential rubbish proliferation is making successful search results tremendously difficult. Perhaps a website professing to easily pinpoint searches would be a good idea. Also a manual ranking system or obligatory comments section on technical blogs.