With around 1.8 billion active users worldwide, Gmail remains the most popular email service by far. Google was also one of ...

I am not sold on QR codes yet as the user experience is not that ... Response rates dwarf other channels such as email, IVR and direct mail. The average SMS message is read within four minutes. If you ...

I am not sold on QR codes yet as the user experience ... Response rates dwarf other channels such as email, IVR and direct mail. The average SMS message is read within four minutes.