"However," on screens

• From a different perspective, in chat-room speak
• "But then again ...," in a text
• Alternatively, in Internet lingo
• In contrast, in a text
• Texter's "Then again . . . "
• Texter's "however"
• Texter's "From a different aspect ..."
• Tweeter's "Then again ..."
• Conversely, in texts

Wiktionary Word definitions in Wiktionary
init. (alternative case form of OTOH English)