According to a new study from Crucial.com, which makes memory upgrades for computers, many people feel uncomfortable when they are separated from their mobile devices and other technology even for a few minutes. Twenty-three percent feel anxious or worry they are missing out when they cannot check email or text messages for 30 minutes. Fifteen percent say being separated from their phone for a week would be worse than being apart from their family. And 24% feel guilty for the amount of time they spend on electronic devices.