Habr
β
How to become an author
My feed
All streams
Development
Administrating
Design
Management
Marketing
PopSci
Search
Write a publication
Settings
Login
Pull to refresh
2
0
@Derfirm
User
Follow
Send message
Profile
Articles
Posts
News
Comments
32
More
Dropdown
Bookmarks
7
Followers
Following
Badges
Habred
Beta-tester
Invited
February 7 2019
by invitation from
@YourChief
Information
Rating
4,947-th
Registered
January 30 2013
Activity
yesterday at 17:54
