US President Barack Obama records video with an iPad as visits a classroom at Buck Lodge Middle School in Adelphi, Maryland

US President Barack Obama speaks with student as he visits a classroom at Buck Lodge Middle School in Adelphi, Maryland

A student shows US President Barack Obama how he is working to creat an ebook as he visits a classroom at Buck Lodge Middle School in Adelphi, Maryland

US President Barack Obama records video of students with an iPad as visits a classroom at Buck Lodge Middle School in Adelphi, Maryland