Dedication

To my fatherfather, Eddie,Eddie (r.i.p), who inspired me to explore the use of computers and infectedpassed me withon his dream of going to MIT .

MIT.
To my mothermother, Chichi, who always insisted onemphasized the value and enjoymentjoy of reading.

To my wifewife, Liliana,Liliana (a.k.a Lilo), who valuesgives ​​meaning to the things I do (always) and isfeels proud of me (almost always).

To Domingo, TeresaTeresa, and Francisco, whichwho are our greatest challenge,challenge and our happiest adventure.

To my uncleuncle, Jorge A. Rizzi (h), whichwho gave me my first job inat SADOI, twice.

To Jorge A. Rey Valzacchi, a pioneer in Argentina of the integration ofintegrating technology into education in education.

Argentina.
To Rosa Kaufman, a pioneer of the LOGO in education in Argentina.

To my friends, who never understood what Imy work for,is about, but they love me just the same.nonetheless.