correctly it'd be:
`var avatarType = Preferences.get("avatarType");`
and
```
useGravatar: avatarType === "gravatar",
useBwAvatar: avatarType === "bwAvatar",
useColoredAvatar: avatarType === "coloredAvatar",
```
there's a logic behind Preferences.get that you don't want to invoke three times, when you doesn't need to