ZapTXT no longer requires cell phone verification for registration

Quite a few users have suggested that we remove the cell phone verification. After some debate, we agreed that it was a good idea and decided to do away with the required phone verification as part of the registration. However, a user must still verify their cell phone if they want to get alerts via SMS (see FAQ for why we must have a cell number verified to receive SMS).

Although our focus in the beginning was on RSS to SMS, we realized that the broader issue here is the ability to screen information. We are all on information overload. If people want to bypass their cell phones and just use ZapTXT to filter their RSS feeds into email, that's fine with us.