The best replacement for email is e-mail.

The best alternatives to email are rated as following:
★★★★★  e-mail
★★★  phone
★★★  snail mail
★★  mail
★★  letter
★★  social media
★  email
★  phone call
★  facebook
★  direct mail
★  e-mail ap style
★  face to face communication
★  texting
★  text
★  call
★  memo
★  im
★  face to face
★  telephone
★  handwritten thank you
  attach cover letter
  gmail
  instant messaging
  call after interview
  letters
  fax more secure
  fax
  fax resume
  e-mail correct spelling
  letter writing
  e mail
  phone sales
  text messaging
  address
  e-mail grammar
  postal mail
  face to face meetings
  text message
  cold calling
  webmail
  emails
  mail a resume
  postal service
  letter after interview
  chat
  sms
  textessage

Your alternative for email is not listed? Suggest!
Speaking about email, one probably shouldn't forget about ssl.

Other search terms related to email and their ratings are:
★★★★★ ssl
★★★ registration
★★★ domain name
★★★ outlook
★★★ cover letter and resume
★★★ verification
★★★ attachment
★★ password
★★ windows live
★★ spam
★★ showing addresses
★ phone verification
★ addresses
★ own domain name
★ resume attached
★ unsubscribe
★ domain
★ account
★ hosting
★ read receipt
using
parental controls
google apps
sender
isp
email address
You have in mind a companion for email and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of email in all years. Click on graph for more.
email
e-mail
phone