achat rapide viagra viagra generika unterschied billig cialis tadalafil rezeptfrei
comprar viagra en internet viagra per nachnahme vente propecia viagra kjУИp medicament clomid grossesse multiple acheter nolvadex en ligne

Posts Tagged ideas

Has The Tipping Point Tipped?

Ever since its publication, The Tipping Point, by Malcolm Gladwell, has captured the imagination of marketers and PR people all over the world. Basically, the book argues that ideas are spread by different groups of people, and that some have more influence than others in helping an idea to spread. For marketers and PR people, [...]