The need to establish contact offerers and plaintiffs, whether for products or services, was born the concept of classified ads. This concept would include those sections organized by categories to facilitate the search for ads, which teachers in principle of a short description followed by the offeror contact details. The first appearances of these sections date back to the 18th century, when some American newspapers began to create paragraphs, where for a monetary amount ofrecianla publication of notices organized by categories. This system of advertising was gradually evolving worldwide and were born the first magazines and periodic especializadosunicamente in classified ads. Many of these journals provide the publication of ads for free for advertisers, then charging an amount for the sale of copies sussus. In turn, also find journals in a sector, where advertisers, usually professional sector, pay for their announcements, for then the empresapoder offer copies free of charge to interested readers.

In any case, this kind of print advertising involves maintenance (printing, storage, distribution) costs, and these costs have to be covered, either by the offeror or the plaintiff’s. In addition to the problem of maintenance costs, we found other deficiencies as the publication of ads without photos in the majority of cases or the possibility of expanding information articuloso services once the magazine has been printed. Since the advent of the internet, many were portals who opted for the theme of classified ads, creating a real revolution regarding the publication of articles and services.To have lower maintenance costs, these can offer both the publication bidders like reading free of charge to both jobseekers. Many are the advantages that offers us this new digital age. Easy handling thanks to the structuring by categories, possibility to see the date of publication of the notice in time real search for articles by keywords or even see the popularity of the advertisements of the item or service in which you are interested. Besides the advantages in terms of cost and usability, thanks to these portals and their scopes of statistics, today can be accurate barometers to analyze trends in the purchase sale items and bid on-demand services.

According to the last registered barometers, is known that in this last year the provinces with the highest number of transactions are Madrid, Barcelona, Valencia and Malaga. From 23.00 hours is when greater number of requests-respuestasse place. And with greater affluence categories are those of furniture for the home, clothes, computer, pets and spare parts. Also have you checked as the buying and selling of items has increased significantly from the stage of crisis, many are who have needed to break off any membership by publishing an announcement in Internet to earn extra money, as well as those who have used this type of portals to find any item at a much more affordable price.