Oren Hafif, an Israeli “white hat” hacker, discovered a serious security flaw in Gmail which could have compromised all 500 million accounts and allowed hackers to access users’ mail accounts and all Web services that use Google’s authentication system.

It's easy to understand why people prefer texting apps to email apps on their smartphones. Texting was made for cellphones, while emails were simply adapted. Now Israeli startup Hop has created an app that will let you enjoy the benefits of email, while maintaining the feel of texting.

Do you ever think how many times per day people see your e-mail signature? E-mail signatures are like business cards and yet most of us still write our names and contact details manually or through our own limited e-mail service signature options. WiseStamp is a browser extension which lets you create original and personalized signatures.