With the new release version - iOS 7.0.3, user can turn on the feature "Reduce Motion" (the Motion that cause some laggy to device) (on iPhone 4 without iOS 7.0.3 there is no "Reduce Motion" option but now it available on iOS 7.0.3), and user can reuse the ability to search Wikipedia and Web from Spotlight Search.
When using iOS 7.0.3, user can easily store password with iCloud Keychain (secured) with the Password Generator embedded to Safari so user can create random password that hard to guess.
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