moin.
You don't need 100% convenience.
You need to take responsibility of your data.
- Firefox for surfing the web.
 - Nextcloud for storing files, contacts, calendars.
 - Mullvad for browsing securely and privately.
 - DuckDuckGo for searching anonymously.
 - ProtonMail for emails.
 - Signal for messaging.
 
Why these?
- Firefox is open source. Mozilla is a community, supported by a not-for-profit. Read the manifesto.
 - Nextcloud is open source. The company finances development by offering support.
 - Mullvad costs €5 per month. They're serious about privacy. They're strong technically.
 - DuckDuckGo is an alternative to Google. Read about DuckDuckGo.
 - ProtonMail has a business model incentive to keep data secure. You can pay by cash or Bitcoin.
 - Signal developed the Signal Protocol. Most of their stuff is open source. They're non-profit.
 
Why care?
- Big data can solve a lot of problems.
 - Big data can create a lot of problems.
 - What matters is who owns big data.