Presto allows customers to send emails to people who don't use a computer. It's a arrangement of the Presto Printing Mailbox and Presto Mail service. Presto converts emailed messages into, easy to read letters with photos and attachments automatically printed. Messages and photos are then automatically printed. This new media process helps people who are unfamiliar with social media able to communicate with technology.
Downloading Iphone application Mailbox puts you on waiting list. While trying to communicate to user what's his number in the hypothetic row, it totally ruins the experience. The numbers are so large (what does it matter to me if I am #780831 or #500121?), that users only understands their turn will never come and forget about the app.