Very easy adjustment you might have not noticed exists; if you are like most people, you don’t necessarily want to look at the horrid hover texts (floating text) over objects inworld Second Life. You don’t have to turn it off to make it much less annoying; simply turn the fade distance down for it.
Open preferences CTRL+P (or me/avatar -> preferences) and go to User Interface; 3D World -tab;
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Floating text fade distance (in m): Sets the distance where floating text starts to fade.
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Floating text fade range (in m): Sets the range it takes for floating text to go from fully visible to fully invisible.
A distance of about 1.5-1 is quite good; it requires you to zoom in to see it but doesn’t turn it off completely. Therefore, only if you show interest in the object you’ll see the hover text.