It's easy to use as I have used other similar tools such as Firebug before but this one has better features than those others! The support team are very helpful when you need help or want them just ask if they can assist with something then give their contact details so we know how best to approach things rather than having no idea of what questions will be asked next time round!! We haven't really found any issues yet! If there were more tutorials available maybe? But all my colleagues who work within our department find using tenons useful quite often too which helps us out greatly - especially given its free version (which covers most needs).
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