Oftentimes a hyphen goes missing

Oftentimes on the Web a character appears out of nowhere, dividing a perfectly fine word into two meaningless words. And it happens often on Yahoo! Shine:

And then, like magic, hyphens disappear from compound adjectives (like once-cute and 30-second).

Mysteriously in the same article, a capital letter in a title goes missing and worse, the apostrophe in the possessive boyfriend’s goes astray:

It’s all a great mystery. How do alleged professional writers add, subtract, and alter characters with such impunity?