> If Yahoo goes down, I won't have email; or at best I'll maybe keep a Zoho. Zoho needs a phone number verification for signup. Unless you're confident that Zo

> If Yahoo goes down, I won't have email; or at best I'll maybe keep a Zoho. Zoho needs a phone number verification for signup. Unless you're confident that Zoho will never get hacked like Yahoo has been (multiple times), your phone number could be one more piece of information that's exposed yet again whenever it gets hacked (this also depends on how you use email and if you include your phone number in emails).