While studying at Massachusetts Institute of Technology, he and another student, Arash Ferdowsi, co-founded Dropbox in 2007 after becoming frustrated with email attachments and forgetting their USB storage drives.
Microsoft ranked second with 18% but according to research director Arash Amel, if one had only looked at the last six weeks of the year, Wal-Mart could have snagged third place from Sony which accounted for 7% of sales through its PlayStation consoles.