With that said, bring the stuff that people actually use and want to connect to easily - Google's stuff (Hangouts, Voice, Drive, Gmail), Microsoft's stuff (Outlook.com, Office 365, Skydrive), Dropbox, Box, BitTorrent Sync (personal cloud), offline Navigation, Skype, Evernote, Penultimate (sorry, but I like my handwriting note taking apps more than trying to type crap out), What'sApp/BBM/Line/Viber. .