If you wanted to use them you could build Chrome and firefox plugin that automatically parses all English text into Deseret. At the same time you could write a wordpress plugin that automatically offers users under des.domain.name a version of the website in Deseret.
That would be difficult. Deseret script is phonetic, so you'd have to either look up the pronunciation for each word or eat the imperfection from the ~40% of words that can't be easily predicted.
Deseret script as it's supposed to be used is even harder to automate conversion into than that alone would suggest: you're supposed to write the stressed equivalent of unstressed vowels. So the words "photograph" and "photography", for example, should be 𐑁𐐬𐐻𐐬𐑀𐑉𐐰𐑁 and 𐑁𐐬𐐻𐐪𐑀𐑉𐐰𐑁𐐮 (IPA: foʊ̯toʊ̯græf and foʊ̯tɑgræfɪ, my keyboard tra...
I just read this in the Wikipedia article on the Mattaponi River and it really tickled me. If only all language were so rational!