Recent updates of Google in Gmail follows tabbed inbox, money transfer via Gmail and after these updates. Here is the new update rolling to Gmail, you can attach photos or files by using drag and drop.
Start composing your message and if you need to attach photos or files in your message, you drag & drop the file to the compose box where it shows “Drop files here”.
Now its been simple and easy to attach files to Gmail. Its good to say “simpler, better”.