Google Allo reaches 5 million downloads!
Allo mobile instant messaging is an app developed by Google That Includes a virtual assistant and Provides a “smart reply” function That Allows users to reply without typing.  It Was Announced at Google I / O on May 18, 2016  and Launched on September 21, 2016.  The app is available on Android and iOS.
Was Allo Announced at Google I / O on May 18, 2016.  At the time, Google Said That It would Allo release in summer 2016.  Google Launched the app on September 21, 2016.
Allo’s “Smart reply” function uses Google’s machine learning technology to suggest a reply to the last message, Which Can Be selected from a few options. The feature analyzes images Also sent to the user in order to suggest responses. Similar to the smart reply feature seen in Google’s Inbox app, it learns from the user’s Behaviour Its suggestions to adapt over time.  Allo is one of the Google Apps That Support Assistant, a virtual assistant Conversational.
“Whisper Shout” Allows the user to Increase or Decrease the size of a message to Represent volumes.
Allo Also lets users draw on photos tell Before sending.
Incognito mode 
Incognito mode is an optional mode expiring That Includes chats, private notifications, and end-to-end encryption. For encryption, the app uses the Signal Protocol. 
Incognito mode does not include any Google Smart Reply or Assistant features.  When the user receives a sticker pack from a sticker That They do not already have installed on developer’s device, the app Will retrieve the sticker from Google’s servers using client-to-server encryption
Virtual assistant 
PC World’s Mark Hachman favorabl Gave a review of Allo’s virtual assistant, Saying That It Was a “step up on Cortana and Syria”. 
Following Allo’s introduction at Google I / O, Google Was criticised by security Experts and privacy advocates for having the end-to-end encryption turned off by default, Which They Argue leaves the app open to government surveillance.   Edward Snowden, whistleblower and Former NSA contractor, criticised the app on Twitter, Saying That “Google’s Decision to disable end-to-end encryption by default in Its new #Allo chat app is dangerous, and Makes it UnSafe.”  [ 12] Thai Duong, a co-lead of Google’s product security team, Wrote in a personal blog post That he Would push for the addition of a setting That Would let users have the encryption on all the time, But he later retracted the statement.
When Allo Was Introduced first, its developers talked about non-incognito storing messages only transiently   – namely WOULD BE That the messages deleted from Google’s servers after broke the hadd been delivered to Their destination. At launch, Google Revealed That They Would Instead all non-incognito store messages indefinitely (or deleted Until the user actively say) in order to Improve the built in “smart reply” feature.  Russell Brandom of The Verge commented That “the Decision Will Have Consequences for Law Enforcement significant access to Allo messages. By default, messages Allo Accessible Will now swear to lawful requests warrant, the Same as data message in Gmail and Hangouts”
Introducing Google Allo, a smart messaging app that helps you say more and do more. Express yourself better with stickers, doodles, and HUGE emojis & text. Also Allo brings you the Google Assistant, preview edition.
Respond without typing, in your style.
Smart Reply lets you keep the conversation moving with a single tap text and emoji by suggesting responses based on your personality. For example, it learns the if you’re more of a “haha” or “lol” person so the more you use Google Allo, the more “you” Become the suggestions.
Shout, or whisper it, to get your point across.
Add more meaning to your words by Adjusting the size of your text. When you need more than ALL CAPS to get your point across, simply slide up to shout, and down to whisper.
Turn any photo Into a work of art.
Get creative with the photos by doodling on anything you say or adding text. Draw a smiley face, turn your friends Into memes, and mix in Some color.
Say it all with the perfect sticker.
Stickers in Google Allo are designed by Independent artists and studios from around the world. From Drama Llama to Food Party, add some fun to the conversation When words are not enough.
Get help from your Google Assistant without leaving the conversation.
Can Your Assistant suggest Restaurants nearby or movies to check out, right in your conversation. Find videos to share, get directions, and seek answers together with your friends. Just add @google, and your Assistant is ready to help.